Spring Tools HDIDS609 Hammerless Heavy Duty Professional Grade Mechanics I.D. Stamping Set with 1/4" Stamps (39 Piece) Includes Square Driver and Characters - A-Z, 0-9,.,&, * for Punctuation to Permanently Stamp All Forms of Mild Steel and Most Other Surfaces Hammerless Action Ensures Accuracy & Precision Control for Superior Results 5,000 LBS. of Striking Force Insures a Full Stamp Image Outstanding Precision & Control while Safe & Easy to Use Made in the U.S.A