C.S. Osborne No. K-157 Mini Punch Set
A special punch set for cutting small, precise holes in soft materials where throated or plier punches won't reach. Set has a round handle with slot inside to clear punchings. Handle is threaded to accommodate the seven replaceable screw tubes sizes which are included. Replacement tubes are also available and sold individually Osborne No. 153T.
Set consists of seven tubes and handle, included sizes are
0 (5/64"),
1 (3/32"),
2 (7/64"),
3 (1/8"),
4 (5/32"),
5 (11/64"),
6 (3/16")