Edge series, 3/8″, air ratchet wrench, powerful motor delivers 55ft/lb of maximum torque & 170 rpm of free speed, twin pawl plus head design, heat treated ratchet head ensures a longer life, ergonomic grip provides better comfort, keeping you on the job & finishing tasks quickly, can be used in a broad range of applications where light disassembly & assembly of products within tight spaces is necessary, such as general engine repair, home projects & light industrial work.