4" W x 5-3/4" L (102 mm x 146 mm) Dynabug II Orbital Sander, Central Vacuum .15 hp, 10,000 RPM, 3/32" (2.5 mm) Dia. Orbit, Rear Exhaust Delta-Style Pad
2-7/8" (73 mm) W x 3-1/8" (79 mm) L Non-Vacuum Dynafine Triangular Disc Pad, Hook-Face, Short Nap 3/8" (10 mm) Thickness Urethane, Medium Density, For Reattachable Discs