Hand Stamp Character Height 5/16 in Character Type Set Individual Character Characters Included 7 Duty Moderate For Maximum Surface Hardness 50 on A Rockwell C Scale For Shank Diameter 1/2 in Holder Length Not Applicable Holder Shank Size Not Applicable Impression Character Style Reversed Includes 9 Product Type Hand Stamp Kit Shank Length 3 in Shank Thickness 1/2 in Shank Width 1/2 in Stamp Material Steel Standards Not Applicable