Ingersoll Rand JH40C3 Jackhammer (1in Hex Shank)

Ingersoll Rand JH40C3: Severe-duty 40 lbs class heavy air jackhammer drawing 115 CFM at a fast 2,000 BPM rate to penetrate deep hard rock structures. Capable of driving standard 1″ x 4-1/4″ hex shank drill steel down to an 18-foot hole depth, it incorporates an easily adjustable 3-speed throttle, a latch-style retainer, and a sound-reducing integral muffler.