Hand Punch Automatic No Punch Type Hand Punch Tip Size 5/16 in Tip Type Flat Shank Shape Round Grip Style Plain Hole Diameter 5/16 in Overall Length 6 in Container Type None Includes Striking Cap No Measurement Type Metric SAE Includes Handguard No Tether Ready No Includes Handle No Corrosion-Resistant Yes Insulated No Material Aluminum Bronze