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