These are available in two types:
1. Plastic Case: Standard Number stamps come in a plastic case with the exception of ½” (12 mm) which is packed to a metal case. Letter stamps come in a plastic case with the exception of 3/8” ( 10 mm) & ½” (12 mm) which are packed to a metal case.
2. Wood Case: Both Number & Letter Stamps are also available in a traditional wood case.