332-30227 Features: -Replacement draw studs.-Type: Replacement.-Material: Steel.-Designed to punch up through 10 gauge (3.5 mm).-Self-centering punch aligns itself on pilot hole.-Unique punch profile also splits slugs for easier slug removal.-Punch and die are required for operation.-Excellent abrasion resistance for punching fiberglass and plastic.-No need to draw crosshairs or line up die alignment marks.-For use with ratchet driver 1904. Dimensions: -Dimensions: 7/16" W x 3-5/8" D.