Center Punch Automatic No Punch Type Center Punch Tip Size 3/16 in Tip Type Point Shank Shape Square Shank Width 27/64 in Grip Style Knurled Hole Diameter 3/16 in Overall Length 4 1/2 in Container Type Box Material Applications Metal Plastic Wood Includes Striking Cap No Measurement Type SAE Includes Handguard No Taper Length 1 5/8 in Includes Handle No Adjustable Blow Force No