A soft surface must be underneath the fabric being punched or the steel pins can crack the casting. A mallet is recommended for striking the punch to prevent cracking or mushrooming of the cast alloy component.
Tool is used as any punch. A mallet is recommended for striking the punch and a soft surface under the material will prevent the hardened steel pins from cracking the alloy casting. Part number 6120 hole cutting pad is strongly recommended and will maximize the life of the punch.
Cuts holes for Dot, Fasnap, Rau, Scovill, Vicar. See part numbers 4050-4058.