Item Type: Stamping Punch Tool Main Material: Alloy steel (composed of complex materials) How to Use and Method: Install your favorite stamp on the mounting rod, aim at the position where you need to print, and hit the bottom of the mounting rod with a hammer. Net Weight: 77 g / 2.7 oz(approx.) Product Size: Approx. 16 x 9 x 2cm / 6.3 x 3.5 x 0.8in 95 x 8mm / 3.7 x 0.3in Stamp Size: Approx. 10mm / 0.4in, 10mm / 0.4in Package List 12 x Stamping Punch 1 x Handle Please allow tiny size error due to manual measurement. Thanks for your understanding. 1Suitable for hand-made leather jackets, bags, shoes, belts, wallets, watch wristbands and other craft decorations 2Most suitable for vegetable tanned leather with a thickness of more than 1.5 mm. A great tool for leather craft professionals and hobbyists 3These stamps are made of very strong heavy-duty alloy steel with strong impact force and long service life 4Provide you with a stronger print and display more accurate. You can make clear and accurate stamping patterns with less time and effort 5Wet the leather with a wet sponge before working, then use a hammer to hit the end of the handle and control the power to avoid ghosting or surface damage