Letter Stamp Character Height 3/8 in Character Type Set Individual Character Characters Included I Duty Moderate For Maximum Surface Hardness Rockwell C Scale 58 to 62 For Shank Diameter 3/8 in Holder Length Not Applicable Holder Shank Size Not Applicable Holder Width Not Applicable Impression Character Style Gothic Includes I Includes Holder No Letter Casing Uppercase Maximum Characters per Line Not Applicable Product Type Hand Stamp Kit