Let me start by saying this kit is a game-changer for anyone looking to turn their angle grinder into a multi-purpose sander. The 123-piece assortment covers grits from coarse (40) to ultra-fine (2000), making it suitable for everything from aggressive material removal to final polishing touches.

The hook-and-loop backing pad attaches securely to my DeWalt grinder without any adapters, and the included 8mm spindle adapter lets me use it with drills too. Installation takes seconds - just screw it on and you're ready to go.

Where this kit really shines is on small projects or tight spaces where my orbital sander can't reach. I recently used it to smooth out some welded joints on a metal gate, and the control was impressive - when used carefully.

Now for the important caveats: These discs absolutely cannot handle full grinder speeds. At 10,000 RPM, they disintegrate alarmingly fast. Stick to the recommended 5,000 RPM max, or better yet - use a variable speed tool. The thin discs wear quickly regardless, so don't expect marathon sanding sessions.

The foam backing pad does help with vibration control, but the lack of overhang means any disc damage immediately affects the pad. I learned this the hard way after catching an edge on some hardwood.

For the price though? It's fantastic value. Just manage your expectations - this isn't a replacement for dedicated sanders, but rather a versatile addition to your toolkit when used appropriately at lower speeds.