3M Scotch-Brite Edger Disc Pad 09152, 6.875 in x .3125 in 6-7/8 in. diameter allows easier centering during installation on 7 in. edger machines. Non-abrasive Scotch-Brite material reduces burnishing of base and shoe moldings. Dense, durable and long-lasting Less likely to tear, compact and flatten than competitive nonwoven and felt pads. Gives abrasive a "softer touch" or reduced scratch pattern in the wood when used with 3M edger sanding screen or 3M Regalite Paper Discs