SP Air Corporation SP-7825 3/8-Inch Light Weight Composite Impact Wrench Smaller 'mini' size versus full-size models provides for lighter weight and ease of operation Double-hammer clutch Convenient SAS (side and side) system offers forward/reverse for one hand operation Built -in handle exhaust and air regulator Durable and high quality construction expertly made In Japan Smaller 'mini' size versus full-size models provides for lighter weight and ease of operation Double-hammer clutch Convenient SAS (side and side) system offers forward/reverse for one hand operation Built -in handle exhaust and air regulator Durable and high quality construction