16 length for increased access for hard-to-reach areas Pin diameter sizes: 1/4, 5/16, and 3/8 Ergonomic handle with striker cap for secure grip and striking Handle reduces vibration when striking Made from high carbon molybdenum tool steel and hardened entire length of punch Made in USA Lifetime Warranty 856-3ST 3pc Set in cardboard box 856-08 1/4, 856-10 5/16 856-12 3/8