Connect this master saws cast aluminum saw head to a canister-type or in-plant vacuum system to control dust when cutting fiberglass or other hazardous materials. The saw uses 2" and 2-1/2" diameter saw blades with adjustable cutting depths from 0 to 5/8" and comes complete with four blades and wrenches. It also cuts C.R. mild steel to 16 gauge; hard aluminum to 1/8"; and soft aluminum, brass and copper to 3/16".