CPT835 Features: -Rugged nibbling head and .177" diameter punch cuts steel up to .060" (16 gauge) and aluminum up to .102" (10 gauge)..-Easy access to punch and die for quick replacement.-Four optional cutting positions.-Perfect for accurate cutting of steel and aluminum.-Heavy Duty Air Nibbler. Dimensions: -Best for tight corners and circlesPossible to place die in four different cutting positions. 2,750 strokes per minute; air inlet thread: 1/4" NPTF; minimum hose size: 3/8"; sound dBA: 97; length: 7.5"; weight: 2.25 lbs.. Warranty: -1 yr warranty on material and workmanship.