SUPERCOMBO® Open End: Grooves direct force away from fastener corners — prevents rounding
heat-treated
Dual aluminum plates handle large refrigerant cylinders up to 243 lbs and read accurately even when loads are positioned asymmetrically
SUPERTORQUE® Box End: Force on fastener flats — prevents rounding
Punch & Chisel Set 27pc - Williams SUPERCOMBO® Open End: Grooves directA 27 piece punch and chisel set covering pin punches, solid punches, taper punches, prick and center punches, and cold chisels the complete kit for machinists, millwrights, and maintenance mechanics doing layout, alignment, and material removal work. Heavy duty construction throughout; comes in a roll pouch for organized carry. Set Contents 6 Pin Punches: 3 32", 1 8", 5 32", 3 16", 1 4", 5 16" 5 Solid Punches: 3 32", 1 8", 5 32", 3 16", 1 4" 3 Long