Pilot Punch Automatic No Punch Type Roll Pin Punch Tip Size 3 mm Tip Type Ball Shank Shape Round Shank Diameter 1/4 in Grip Style Knurled Hole Diameter 3 mm Overall Length 4 in Container Type Bulk Material Applications Metal Includes Striking Cap No Measurement Type Metric Includes Handguard No Taper Length 2 in Tether Ready No Includes Handle No Features Variable Point Sizes Available for Variable Radius Sizes for All Pin Configurations Finish Black Oxide Insulated No