- All punches are made of hardened and tempered alloy steel
- Heavy-duty, spring-loaded, self-centering steel mandrel
- Punches and mandrel are knurled, with threaded couplings
- Hole diameters: 1/4 in., 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 3/4 in., 7/8 in., 1 in.
- Nine punches
- Driving mandrel
- Custom plastic case