The original 105 degree bevel gear offset drive design with new high strength gears. 300 in-lb torque capacity and 1000rpm, 3x stronger than the original. One inch head profile drives fasteners in tight spaces and hard to reach locations. One turn of the input shaft =one turn of the bit through new hardened cast steel gears. Lowest profile heavy duty die cast 7/8in diameter housing in high tech black chrome finish. Adjustable 12 position stabilizer wing with locking set screw. 1/4in ANSI industry standard hardened steel input shaft. 1/4in ANSI hex magnetic bit holder accepts all industry standard 1/4in hex bits. For use manually with handle or with light duty powered drivers.