1The bottom is flat to prevent punching to deflect the object, punching accurately, and there are five different holes to meet your different needs. 2Widely used for punching metal gasket, brass gasket, styrene sheet, leather punch, coin rings making and building model etc. 3Practical and wonderful jewelry making and processing tools, suitable for professional jewelers to use. 4About 10.5 x 4.5 x 2.6cm / 4.1 x 1.8 x 1in of the base size, strong toughness to ensure maximum durability. 5Made of high quality excellent iron material, strong and durable, high hardness, good wear resistance. Item Type: Punch Die Disc Material: Iron Application: Punching machine, suitable for punching metal gasket, brass gasket, styrene sheet, leather punch, paper, decal paper, coin rings and so on Base Size: Approx. 10.5x4.5x2.6cm/4.1x1.8x1in Dies: Approx. 2.7mm / 0.11in 3.3mm / 0.13in 4.4mm / 0.17in 4.8mm / 0.19in 6.3mm / 0.25in 7mm / 0.28in 7.4mm / 0.29in 8mm / 0.31in 8.4mm / 0.33in 11mm / 0.43in 12mm / 0.47in 13mm / 0.51in 14mm / 0.55in 16mm / 0.63in 1 x Punch Die Disc 14 x Dies