Steel Stamps Set Character Height 1/2 in Character Type Set Number Set Characters Included 0 to 8 (With 6 Serving as 9) Duty Moderate For Maximum Surface Hardness Up to 50 on Rockwell C Scale For Shank Diameter 5/8 in Holder Length Not Applicable Holder Shank Size Not Applicable Impression Character Style Gothic Includes (9) 0 to 8 (With 6 Serving as 9) Product Type Hand Stamp Kit Shank Length 3 3/8 in Shank Thickness 5/8 in Shank Width 5/8 in Stamp Material Steel