27 Pc. 1/4” Letter Stamp Set Manufactured from high quality steel, punches are induction hardened which gives a durability and extended life even after repeated use. The hardness at the stamping end is maintained at 58-62 HRC, which prevents the punch from splintering during use. The striking end of tempered to 38-43 HRC and beveled to prevent breakage 9602 Yes - LEAD AND LEAD COMPOUNDS