Pryor supply a full range of single metal letter and number stamps, so if you only need a few characters, you can buy them from here
Pryor’s Reverse steel hand stamps are now available as single items, so if you only need a few characters, you can buy them here
Pryor Hand Tools, Sheffield
Heavy Duty Hand Stamps - Pryor Hand Tools
Steel Hand Stamps - Symbols
MSC Industrial Supply
Hand Tools & Hand Stamps, Metal Marking
Steel Hand Stamps, Letter & Number Stamps
Reverse Steel Hand Stamps
Pryor Premium Punches – Letter & Figure sets - Abasco Tools
Shop - Pryor Hand Tools
Pryor Hand Tools, Sheffield