Product Material: Alloy steelPackage content: 38*letter punch, 1*punch tool1.High-quality material: This letter punch is made of high-quality alloy steel and is heat-treated as a whole. It is suitable for many occasions and is fixed and durable.2.Easy to use: You only need to insert the stamp into the automatic punch and push it, no need to use a hammer.3.Sturdy and durable: the whole is forged with chrome vanadium steel, extruded, and the surface is sandblasted, which is strong and practical.4.Purpose: You can use the stamping kit for your crafts, such as card making, label making or carpentry, or put them on your envelope.5.Package content: This metal stamp kit has numbers from 0 to 8, because 6 and 9 are interchangeable, letters from A to Z, 2 symbols and punching tools.