Ideal for machine, small equipment and gun service and repairs, this nine-piece roll pin punch set drives out or inserts hollow pins and springs without damage. The guide ball tip centers itself for perfect alignment in pin, shoulder in full or even contact with pin. Made from premium, high carbon steel, each punch is individually heat-treated to create a strong, hardened tip, while keeping the soft temper of the striking end so it can absorb hammer blows without chipping.The design of these roll pin punches makes them ideal for inserting or driving out hollow pins and springs. Heat-treated high-carbon steel construction makes this roll pin punch strong enough to hold up to professional use. A roll-up storage pouch makes it easy to organize the 9 convenient size options included in this set.Handy Easy-to-use Punches for Fast and Safe Removal of Slotted or Coiled Roll, Spring and Tension Pins. Perfect for Gunsmith Maintenance/Repair, Jewelry, Watch Makers, Arts Crafts, Automotive Hitches, Garage Doors and Door Hinges.19277 Includes Only:Roll Pin Punch, 1/16" x 2-3/4"Roll Pin Punch, 5/64" x 3-1/4"Roll Pin Punch, 3/32" x 3-1/2"Roll Pin Punch, 1/8" x 4"Roll Pin Punch, 5/32" x 4-1/2"Roll Pin Punch, 3/16" x 4-3/4"Roll Pin Punch, 7/32" x 5"Roll Pin Punch, 1/4" x 5-1/2"Roll Pin Punch, 5/16" x 6-1/4"Features:Heat-treated, high-carbon steel construction for rugged strengthThe reverse taper tips prevent slipping, scratching, and causing damage to your machineryGreat for machine, small equipment and gun repair/maintenanceDesigned for driving out or inserting hollow pins or springsErgonomically Knurled Hand Grips helps Decrease fatigue and Increase Punching successUse for fast and safe removal of pinsPerfect for gun maintenance and repairIncludes roll up storage pouchUnit of MeasureSet of 9 pcs.