Set of different sizes of Number punch, 0- 9 and Letter punch, A- Z as follows., 1 Number punch, 0- 9 & Letter Punch, A- Z of Size: 1/ 2 inch, 12 mm. Qty/ set. = 01 set., 2 Number punch, A- Z of Size: 3/ 4 inch, 20 mm. Qty/ set. = 01 set., Material Specification: EN- 9, Carbon percentage 0. 35- 42 HRC 58- 62 at stamping end and HRC 38- 42 at striking end chamfered to prevent splintering, IS: 6864- 1984., Makes: Taparia/ Stanley/ Rabro/ Bradma/ Venus/ Deneers, Note: One sample set should be got approved before effecting bulk supply.