From the Manufacturer

Kett KSV-432 Electric Vacuum Saw features a 120 Volts AC double insulated motor with one carbide grit and three H.S.S. blades and adjusting wrenches. The KSV-432 has a 2-1/2-inch carbide abrasive blade for fast cutting of drywall, fiberglass and plaster products with dust control. The cast aluminum saw head accepts the nose from your shop vacuum to collect debris as you cut. Great for close quarters where plunge or straight cut-outs are needed. Also accepts 2-inch and 2-1/2-inch high-speed steel blades for cutting C.R. mild steel up to 16 gauge or laminate panel cutting. Specs: Amps - 5.0; RPM - 0-2500; Power Source - 120 Volts; Saw Unit - KSV-32; Maximum Depth of Cut - 5/8 inch; C.R. Mild Steel - 16 gauge; Aluminum - 1/8 inch; Rigid Materials - 1/2 inch; Length - 17 inches; Weight - 7 pounds.