ToolUSA Metal Stamping Kit - Number & Capital Letter Punch Set With Ball Pein Hammer: KIT-PH9096W 6 Inch Ball Pein Hammer Has Easy Rubber Grip And Weighs 4 Oz So You Have Control Of Your Swing One Side Of Hammer Has Face With Diameter Of 2 Cm And The Other Of 1.5 Cm Made Of Quality Forged Metal, The Letters And Punch Set Contains 36 Pcs That Are 1/8 Inch In Size Set Includes Letters A To Z, 0-8 (6 And 9 Are Interchangeable), And "&" Sign Ideal Kit For Jewelers Personalizing Jewelry, Others Stamping Metals And Tools For Identification