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Air Nibbler Chicago Pneumatic 73 Ripple Quick Tester$290.36
It has a rugged nibbling head and .177-Inch diameter punch cuts steel up to .060 -Inch (16 gauge) and aluminum up to .102 -Inch (10 gauge). Easy access to punch and die for quick replacement. Possible to place die in four different cutting positions.
Rear exhaust directs air away from work area Applications accurate cutting of steel and aluminum best for tight corners and circles.