Milwaukee 49 16 2661S Knockout Punch, 12 ga Sheet Metal Capacity (Steel), 1 2 in Nominal Size, Round 1JGL2 Vacuum Service Rating Not Applicable Vacuum Service Rating Not Applicable 54 Tether Capable Tether Capable Head Color Blue Features Rockwell 30 RHC Head Tether Style Standard Tool (Accessory Needed for Tethering) Face Shape Round Replaceable Handle No Grip Style Ribbed Face Texture Smooth Series Ergo Power Grip Material Rubber Striking Surface Hardness 30 HRC Non Sparking No Face Material Soft Safety Steel Dead Blow Hammer No Tether Ready No Hammer Type Sledge Hammer EXACT punches and dies make the knockout process easier ) 10 Type Exact Line Material Stainless Steel Number of Pins 0 Number of Pieces 1 Includes Draw Stud No Material Application Stainless Steel Slug Type Splitting Maximum Sheet Metal Capacity Steel 12 ga Punch Shape Round Series Exact Knockout Punch Component Included Punch For Use With Tool Type Knockout Tools Country of Origin China