Designed to square the corners when routing hinge or other hardware recesses. Align the device in the corner of the routed recess and tap the spring loaded chisel.
Punch is made from 9.4mm (3/8 inch) AF tool steel which is 13mm across the...
BOKER GERMANY - Made to DIN 1541. Standard grade suited for material hardness up to structural, mild and carbon steel. Contains 9 number punches - 0 to 9 (the 6 and 9 are the same punch).