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IW-3310CHP (3/8")
IW-4339CHP (1/2")
Composite Impact Wrench (Twin Hammer)

| Model | IW-3310CHP | IW-4339CHP | 
|---|---|---|
| Bolt Size Capacity | 1/2" (13mm) | 3/4" (19mm) | 
| Free Speed | 11000 rpm | 11000 rpm | 
| Max Torque | 450ft-lb (610Nm) | 550ft-lb (746Nm) | 
| Overall Length | 6-5/16" (160mm) | 6-5/16" (160mm) | 
| Net Weight | 2.9lbs (1.3kgs) | 2.9lbs (1.3kgs) | 
| Air Inlet | 1/4" | 1/4" | 
| Air Hose | 3/8" | 3/8" | 
| Avg.Air Consumption | 5 cfm (142 I/min) | 5 cfm (142 I/min) | 
| Handle Exhaust W/Muffler | ||
