Caliastro's Triangular Sanding Pads for Oscillating Tools offer a universal quick-release system that was specifically designed and tested to fit Most Quick Release systems for oscillating multi-tools, including: Milwaukee, Ridgid, Dewalt, Bosch, Stanley, Ryobi, Makita, Skil and Black & Decker, Porter-Cable, Rockwell and Craftsman. The sanding pads are 3-1/8 in size (80 mm) and intended for use with hook and loop sandpaper. They were specially engineered to provide a tight and long-lasting fit with the oscillating multi-tool and also provide secure attachment to the triangle sandpaper. The extra-secure "stick" to the sandpaper makes your wood sanding job go faster. Caliastro LLC is a small private manufacturer and seller of saw blades, hand saws and wood-working tools based out of Northbrook, Illinois.