"Ideal for trimming, outlining and shearing of various sheet metal. The heavy-duty cutting blades make a clean cut in cold rolled steel up to 20-gauge. Lightweight, durable composite pistol grip for great control. The shear is ideal for body shop, sheet metal shop and machine shop. Cutting Capacity Sheet Metal gauge 16, Cuts Per Minute CPM 2,600, Air Consumption CFM 4, Air Inlet Size in. NPT 1/4, Cutting Capacity Aluminum gauge 14, Case Included No, Cutting Capacity Steel gauge 20, Min. Hose Size in. 3/8. Aluminum head with hardened steel shear blades"