Intro
Whether you are renovating a room, tackling a plumbing repair, or simply trimming a door frame to fit, a standard set of tools can only get you so far. Tight corners, awkward angles, and delicate flush cuts often demand something more precise than a jigsaw and more controlled than a circular saw. This is where oscillating multi-tool accessories come into their own — turning a single power tool into a complete cutting, sanding, scraping, and grinding system. The right blade makes all the difference between a clean, professional finish and a botched job that needs redoing. Investing in a comprehensive accessory kit means you are always ready for the unexpected, whether it is removing old grout in the bathroom, slicing through rusty bolts under the car, or sanding a tight corner that no orbital sander can reach. With the correct assortment of blades and attachments, your oscillating tool transforms from a niche gadget into the most versatile item in your workshop.
Generalities
RYOBI has built a strong reputation in the DIY and professional power tool market by offering reliable, well-engineered equipment at accessible price points. Their oscillating multi-tool blade kits are designed to work seamlessly with RYOBI tools while also being compatible with most other major brands that use the standard OIS (Oscillating Interface System) mount. When choosing a blade kit, the key factors to consider are the variety of blade types included — bi-metal for metal cutting, high-carbon steel for wood, carbide for abrasive materials — as well as the range of sizes and shapes that determine which jobs you can tackle. A well-rounded kit should cover everything from plunge cuts in floorboards to detailed sanding in confined spaces.
In this review, we take a close look at what this 40-piece set brings to the table. We cover the range of cutting blades, sanding attachments, and scraping tools included, and assess how they perform on common household and workshop materials such as wood, plastic, metal, and tile. We also evaluate the build quality, the practicality of the storage case, overall value for money, and what real users have to say about durability and ease of use.
Description
This RYOBI oscillating multi-tool blade kit delivers a generous 40-piece assortment covering the most common cutting, sanding, scraping, and grinding applications. The set includes bi-metal blades designed for cutting through nails, screws, and non-ferrous metals without losing their edge, alongside high-carbon steel (HCS) blades optimised for fast, clean cuts in wood, MDF, and plastic. A selection of carbide-grit and diamond-coated blades handles harder materials such as tile, grout, plaster, and fibreglass. Complementing the cutting blades, the kit provides a range of sanding pads in multiple grits and a rigid scraper blade for removing old paint, adhesive, and silicone sealant. All blades use the universal OIS mount pattern, making them compatible with RYOBI, Bosch, Makita, DeWalt, Fein, and most other oscillating multi-tools on the market.
Build quality is where this kit sets itself apart from budget alternatives. The bi-metal blades feature a hardened high-speed steel cutting edge laser-welded to a flexible carbon steel body, giving you the durability to cut through embedded nails without snapping. The Japanese-style tooth geometry — featuring alternately set teeth with deep gullets — clears debris efficiently and reduces heat build-up during extended use. Each blade is clearly labelled with its intended material and application, so you spend less time guessing and more time cutting. The sanding backing pad uses a hook-and-loop system for quick paper changes, and the scraper blade has a reinforced shank to resist bending under pressure.
In everyday use, the convenience of having 40 organised accessories in one place cannot be overstated. The kit comes in a sturdy black plastic storage case with individual slots for each blade type, making it easy to find the right tool at a glance. Blade changes are fast thanks to the open-ended OIS mount design — you can swap blades on most oscillating tools without fully removing the retaining bolt. The range of blade widths (from narrow 10 mm plunge-cut blades up to 85 mm wide segment blades) means you can switch from precision work to bulk material removal in seconds. For sanding, the triangular pad reaches into corners that rectangular sanders simply cannot touch, making it invaluable for furniture refinishing and skirting board preparation.
Beyond the basics, the kit includes several specialist pieces that expand what your oscillating tool can do. The carbide-grit rasp blade handles grout removal and shaping wood or fibreglass with surprising speed. A half-moon blade profile makes flush-cutting door casings and pipework straightforward. For precise plunge cuts — such as cutting an electrical outlet opening in drywall or floorboards — the included Japanese-tooth plunge blades deliver clean, splinter-free results. The sanding assortment covers coarse (60-grit) through fine (240-grit), giving you a progression from aggressive material removal to a smooth, paint-ready surface. A rigid putty knife-style scraper rounds out the kit, perfect for lifting old vinyl flooring or removing stubborn carpet adhesive.
The complete kit weighs approximately 1.5 kg and measures roughly 30 × 25 × 7 cm in its storage case, making it compact enough to stash in a tool chest drawer or carry to a job site. RYOBI backs the set with their standard manufacturer warranty, and the blades carry the A244001 model number for easy reordering. While the product has a modest number of reviews at the time of writing, it holds a strong 4.7 out of 5 stars rating from verified purchasers who praise its value for money and the breadth of the included assortment. At this price point, getting 40 blades from a recognised brand like RYOBI represents a significant saving compared to buying individual blades as needed.
Pros and cons
Pros
- Comprehensive 40-piece assortment covers virtually every common oscillating tool task — from wood and metal cutting to sanding, scraping, and grout removal — so you rarely need to buy additional blades separately.
- Bi-metal construction on key cutting blades delivers exceptional durability, with a hardened high-speed steel edge welded to a flexible body that resists snapping even when cutting through embedded nails.
- Universal OIS mount makes the kit compatible with RYOBI, Bosch, Makita, DeWalt, Fein, and most other major oscillating multi-tool brands — you are not locked into a single tool ecosystem.
- Practical storage case with labelled individual slots keeps all 40 pieces organised and easy to find, saving time on the job and preventing lost blades at the bottom of a tool bag.
- Includes specialist blades such as carbide-grit rasps and diamond-coated segments for tile and grout work — materials that would destroy standard HCS blades within seconds.
- Open-ended blade design allows fast tool-free blade changes on most oscillating tools without fully removing the retaining bolt, reducing downtime between tasks.
- Excellent value for money — buying 40 individual branded blades separately would cost two to three times the price of this kit, making it a smart upfront investment for both DIYers and professionals.
Cons
- The HCS (high-carbon steel) blades for wood will dull faster than premium bi-metal or carbide alternatives — they are fine for occasional use but frequent users may want to upgrade those specific blades over time.
- Limited review history at the time of writing means long-term durability feedback is sparse — early ratings are positive but the sample size is small, so heavy-duty trade use is not yet widely documented.
- The plastic storage case, while practical, uses friction-fit slots that can loosen over repeated use — a few users may find blades occasionally come loose during transport once the case has seen heavy wear.
- No depth-stop or plunge-depth guide is included in the kit — an accessory that would be useful for beginners making controlled-depth cuts in flooring or drywall without going too deep.
- The sanding hook-and-loop backing pad is a single unit — if it wears out before you finish the included sandpaper sheets, you will need to source a replacement pad separately.
Use cases
Ideal for DIY renovators, home mechanics, and trade professionals who need a one-box solution for cutting, sanding, scraping, and grinding with their oscillating multi-tool across a wide range of materials and projects.
Flooring Installation and Door Trim
When laying laminate or engineered wood flooring, you inevitably need to undercut door frames, architraves, and skirting boards so the new floor slides neatly underneath. The plunge-cut blades in this kit let you make flush, precise cuts against the floor surface without removing the trim — saving hours of work. The half-moon blade is also perfect for trimming door casings when replacing thicker flooring.
Kitchen and Bathroom Renovation
Removing old grout, cutting out damaged sections of tile, scraping silicone sealant, and sanding filler in tight corners are all part of renovating a kitchen or bathroom. The carbide-grit and diamond blades handle tile and grout, the scraper lifts old sealant cleanly, and the triangular sanding pad reaches into corners that rectangular sanders cannot touch — all from a single kit.
Electrical and Plumbing Access Cut-Outs
Cutting precise rectangular openings in plasterboard for electrical sockets, or accessing pipework behind floorboards, is where the oscillating tool truly shines. The narrow plunge-cut blades in this set let you start a cut in the middle of a panel without drilling a pilot hole, keeping the surrounding surface intact and minimising dust compared to a reciprocating saw or angle grinder.
Metal Cutting and Automotive Repairs
The bi-metal blades included in the kit are designed to cut through nails, screws, bolts, and thin sheet metal without losing their edge. For automotive work, this means you can slice through rusted exhaust clamps, trim body panels, or cut seized fasteners in tight engine bay spaces where an angle grinder simply cannot fit. The controlled oscillation also produces far fewer sparks than a grinder.
Paint Removal and Surface Preparation
Before repainting window frames, doors, or furniture, old flaking paint and varnish must come off. The rigid scraper blade makes short work of lifting paint layers, while the sanding attachments — ranging from coarse 60-grit to fine 240-grit — let you smooth the underlying surface to a paint-ready finish. The triangular pad shape excels at sanding into the corners of panelled doors and detailed mouldings.