Superior Pads and Abrasives RSP28 5" Dia 8 Hole Hook & Loop Sander Pad Replaces Milwaukee OE # 51-36-7090, Ryobi OE # 300527002, 975241002, 974484001, Ridgid OE # 300527002 (2 Pack) Save when you buy the 2-Pack! Fits Milwaukee 6021-21 (SER B19A) 5" Random Orbit Palm Sander Fits: Ryobi RS240, RS241, RS280, RS2418, RS280VS Fits: Rigid R2600, R2601