Hand Stamp Character Height 1/8 in Character Type Set Individual Character Characters Included B Duty Heavy For Maximum Surface Hardness Up to 50 on Rockwell C Scale For Shank Diameter 5/16 in Holder Length Not Applicable Holder Shank Size Not Applicable Impression Character Style Gothic Includes B Letter Casing Uppercase Product Type Hand Stamp Kit Shank Length 2 1/2 in Shank Thickness 5/16 in Shank Width 5/16 in Stamp Material Steel Standards Not Applicable