Nylon Punches set of 8 Available in; 6mm, 9mm, 12mm, 15mm, 18mm, 20mm, 24mm, 28mm Ideal for creating domes, chasing, raising and making textures These Super Nylon Doming punches are useful tools that offer reduced marking when forming compared to steel punches. They feature a rounded ball on one end for forming and an opposing flat end that is designed for hammering with a nylon mallet . Ideal for creating domes, chasing, raising and making textures. This set of 8 nylon punches offers a range of sizes to work with, with the smallest size 6mm and the largest 28mm diameter. This set includes 8 punches that measure 90mm long; 1 x 6mm 1 x 9mm 1 x 12mm 1 x 15mm 1 x 18mm 1 x 20mm 1 x 24mm 1 x 28mm Please note - It is advised to use these punches with a nylon block so not to damage them. The punches should be kept clean as any marks will be transferred onto the surface of the metal.