Description:Hardened and tempered with chemical blackening finishIncludes a handy storage box for easy storage and transportation.Each punch is about 60mm in length with numbers & letters 4mm high. Stamp your personal name on most metal surfaces with this hardened steel marking set.27pcs Letter and symbol stamps are manufactured from carbon steel, fully forged and tempered.It can be used to stamp soft metals, including aluminum, tin, copper, brass, nickel silver, and wood; stainless steel is not suitable. Specifications:Material:45# SteelWeight:637gColor:black,yellow(case packaging)The printed symbol size:4mm/0.16"The set includes: 26 Letter punches (A through Z). 1 "&" Symbol Punch Totally Size:60mm x 7mm x 7mm/2.36" x 0.28" x 0.
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