Steel Number Stamps Character Height 1/4 in Character Type Set Number Set Characters Included 0 to 8 (With 6 Serving as 9) For Shank Diameter 1/4 in Impression Character Style Flat Face Includes (9) 0 to 8 (With 6 Serving as 9) Product Type Steel Type Kit Stamp Material Steel Standards Prop 65 UNSPSC 27112306 US DOE RDT-F7-3T Specification Compliance Not Applicable