ClipsShop Curtain Grommet Dies are durable hardened stainless steel fabricated dies. ClipsShop two-step dies are perfectly engineered to cut a precise hole and set the grommet in many types of materials. 1 inch (#7.5) and 1 1/2 inch (#12) sizes are available and fit the CSTEP2, CSTEP2L, and CSTON1 model ClipsShop grommet machines.