Specifications: BPM: 3,000 bpm at 90 psiCFM: 25Stroke: 2” strokePiston diameter: 7/8”Air inlet: 1/4” air inletExtreme Duty Needle Scalers for extra heavy-duty use, when you need to cover more area faster than standard scaling tools. The MCHNS4 comes equipped with a 30 pc. set of extra-large, 4 mm (.1575 diam.) x 7″ scaling needles and a side handle for better control.MCHNS is equipped with a 37 pc. set of 1/8″ x 7″ long scaling needles for standard duty scaling. Stainless Steel 1/8″ and Beryllium Copper 1/8″ diam. needles are available for us with this model.Both models have a 360-degree rotating exhaust and 360-degree removable needle attachment and side handle. Both models can easily be converted into a Chipping Hammer with the additional purchase of a Chisel Retainer, Part # SW1190M and Coil Spring, Retainer Spring, 4 Bolt Chipper, and Part # SW1194, both sold separately.View our Extreme Duty Needle Scaler video
