A set of hollow punches that enables sealing rings to be punched in one operation. This combination tool enables simple and effective punching of rings, in a whole variety of sizes and materials such as bushing felt, cloth, leather, card etc.
These punches can also be used as ordinary hollow punches. 

The set  consists of 15 combinable hollow punch heads of dia. 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30mm 1 holder, centre point and circle cutter