Number Set Character Height 3/16 in Character Type Set Number Set Characters Included 0 to 8 (With 6 Serving as 9) Duty Moderate For Maximum Surface Hardness Rockwell C Scale 58 to 62 For Shank Diameter 3/16 in Holder Length Not Applicable Holder Shank Size Not Applicable Holder Width Not Applicable Impression Character Style Standard Includes (9) 0 to 8 (With 6 Serving as 9) Includes Holder No Letter Casing Not Applicable Maximum Characters per Line Not Applicable