Letter and Number Set Character Height 3/32 in Character Type Set Letter/Number Set Characters Included 0 to 8 (With 6 serving as 9) A to Z Ampersand Duty Heavy For Maximum Surface Hardness Rockwell C Scale 58 to 62 For Shank Diameter 5/16 in Holder Length Not Applicable Holder Shank Size Not Applicable Holder Width Not Applicable Impression Character Style Gothic Includes (36) A to Z 0 to 8 (With 6 Serving as 9) Ampersand Includes Holder No Letter Casing Uppercase