1. square drive : 3/8"
2. free speed : 1200 r.p.m.
3. max. torque : 300 ft/ lbs
4. sound level : 89 dBA
5. air pressure : 90 PSI
6. length : 165 mm
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1. new super hammer
2. rear exhaust
3. higher torque & speed, lighter weight
4. reversible function
5. composite housing
1 pc in a box,,10 pcs in an exporting carton,,n.w. : 13.7 kg, g.w. : 16.4 kg,measurement : 1.26 cuft.