5", Random Orbit Palm Sander, Twist Off Dust Canister, Bosch Micro Filter System, Hook Tight Hook & Loop Disc Attachment, Palm Random Orbit Sanding Action, Soft Microcellular Backing Pad, Integral Pad Dampening System, Variable Speed Dial, Comfortable Soft-Grip Top & Body, Low Vibration Design, Anti-Spillback Canister Design, Includes: Soft Sanding Pad, Dampening Ring, Micro Filter Dust Canister, Vacuum Hose Adapter, Sanding Disc & Carrying Case.