Marking Kit Character Height 1/16 in Character Type Set Letter/Number/Symbol Set Characters Included 0 to 9 A to Z Ampersand Blank Space Comma Dash (-) Period (.) Slash (/) Duty Moderate For Maximum Surface Hardness 50 on A Rockwell C Scale For Shank Diameter 1/4 in Holder Length 5 in Holder Shank Size 2 1/2 in Holder Width 2 1/2 in Impression Character Style Gothic