8 Sizes Available: package includes 8 pcs square holes in 8 different sizes--length 20mm(0.78"), 25mm(1"), 30mm(1.18"), 35mm(1.37"), 40mm(1.57"), 45mm(1.77"), 50mm(2") and 55mm(2.1"), each size 1 pc; thickness 0.71mm. Quality Material: made of high carbon steel, high density, rugged and durable. The incision position is specially designed, thin and sharp without leaving marks. Easy to Usethe leather die cutter can work well with manual punching machine to process leather or use leather hammer to hit metal directly,can easily cut through multiple layers of fabric. Sharp Edge: the molds are well made, thin and sharp, resultant cuts are crisp and straight, without leaving marks. Wide Applications: can be applied on layered fabric, leather and polymer clay; suitable for making all kinds of hole for camera of phone, leather belt or other small leather craft; great for handmade DIY and jewelry making.