PORTER-CABLE 343VSK 5-Inch Variable Speed Random Orbit Sander - Hook & Loop Pad 3.0 Amp motor for power and durability in the shop Porous polyethylene dust canister exceeds durability of cloth dust bags Improved ergonomics with rubber top grip for comfort Top cap design allows users to service or clean out the unit quickly Dual dust ports accept 1-inch and 1-1/2-inch vacuum hoses; variable speed dial, 7,500 - 12,000 opm, optimizes removal rate on a variety of materials