Features 1、Flat Bottom: The bottom is flat to prevent objects from being misaligned when punching, and the punching is accurate to meet your different needs. 2、Jewelry Making Tool: Punch die disc is one of the professional jewelry making tools, suitable for craftsmen and amateurs, precise and practical for use. 3、Wide Range Of Uses: Suitable for punching on metal gaskets, brass gaskets, styrene sheets, leather punches, paper, decals, coin ring making and shipbuilding models. 4、Multiple Dies: 17 models of dies are available, exquisite workmanship, attention to details, precise structure, suitable for home use and jewelry shop. 5、Steel Material: Disc cutter set is made of high quality steel material, safe and eco friendly, high hardness, good wear resistance, strong and reliable. Specification Item Type: Disc Cutter Set Material: 45 Steel Size: Base: Diameter: Approx. 12.5cm / 4.9in, Height: Approx. 2.5cm / 1in Dies Height: Approx. 5cm / 2in Dies Model: 4mm / 0.16in, 5mm / 0.2in, 6mm / 0.24in, 7mm / 0.28in, 8mm / 0.31in, 9mm / 0.35in, 10mm / 0.39in, 11mm / 0.43in, 12mm / 0.47in, 13mm / 0.51in, 14mm / 0.55in, 15mm / 0.59in, 16mm / 0.63in, 17mm / 0.67in, 18mm / 0.71in, 19mm / 0.75in, 20mm / 0.79in Uses: Puncher, suitable for punching metal gaskets, brass gaskets, styrene sheets, leather punches, paper, decals, coin ring making, etc. Package List 1 x Base 17 x Dies