Leather Punch Set: The package includes 10 punches in different sizes. They have good stability and durability. Steel Material: The leather punch is made of steel, the surface is smooth, and the non-slip handle design is easy to grip. Multiple Sizes: There are 10 different sizes for you to choose: 0.5 mm, 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 1.8 mm, 2.0 mm, 2.5 mm, 3.0 mm, 3.5 mm, 1 piece for each size to meet your needs. Needs. Easy to use: Place the punch where you need it and hit the sealed punch with a hammer to complete the hole. Wide range of uses: The punch can be used to punch holes in leather, watch straps, briefcases, etc.