Specifications1set of 9 capital letter stamps 0 to 9. ("6" same with "9");
Punches depth: 10mm/ 0.4".
Material: 45# Steel, sandblast finished. Harder and more wearable than carbon steel
PERFECT DESIGN Designed to last over 10, 000 strikers; Hardened carbon steel strength, incredibly durable and long lasting!
WIDE APPLICATION It can be used to stamp soft metals, including aluminum, tin, copper, brass, nickel silver, and wood; stainless steel is not suitable.
Package: 1 x 9Pcs number punches set with box.