Letter and Number Set, Character Height 1/4 in, Character Type Set Letter/Number Set, Characters Included 0 to 8 (With 6 serving as 9), A to Z, Ampersand (&), Duty Light, For Maximum Surface Hardness Rockwell C Scale 58 to 62, For Shank Diameter 1/4 in, Holder Length Not Applicable, Holder Shank Size Not Applicable, Holder Width Not Applicable, Impression Character Style Standard, Includes (36) A to Z, 0 to 8 (With 6 Serving as 9), Ampersand (&), Includes Holder No, Letter Casing Uppercase