Eastwood'S Heavy-Duty Air Shears Makes Clean Cuts In Metal Up To 18-Gauge. 4,500 Strokes Per Minute To Aggressively Cut Through Most Metals And Plastics Slices Through Up To 18-Gauge Metal, Without Chips Cutting Head Rotates For Precise Contoured Cuts Needs Just 4 Cfm At 90 Psi, So You Can Use A Diy Compressor Eastwood's Heavy-Duty Air Shears makes clean cuts in metal up to 18-gauge Our air shears is built to match the quality and features of national brands, so it's built for everyday use in auto body shops, sheet metal shops, machine shops...and your shop. 4,500 strokes per minute to aggressively cut through most metals and plastics Slices through up to 18-gauge metal, without chips Cutting head rotates for precise contoured cuts Needs just 4 cfm at 90 psi, so you can use a DIY compressor