Center Punch Automatic No Punch Type Center Punch Tip Size 5/8 Tip Type Point Shank Shape Round Shank Diameter 5/16 Grip Style Plain Hole Diameter 5/8 Overall Length 4 3/4 Container Type Pouch Material Applications Metal Includes Striking Cap No Measurement Type SAE Includes Handguard No Includes Handle No Corrosion-Resistant Yes Features Modified Parabolic Striking End to Help Reduce Mushrooming and Chipping One-Piece Design for Strength and Durability Finish Black Oxide