【Specifications】1set of 9 capital letter stamps 0 to 9.("6" same with "9");Punches depth:5mm/0.2"
【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.