Precision Machining for best fitting especially with Japanese (JIS) screws (JIS DRIVE ) . Ergonomic BALL GRIP for anti-fatigue and various way of driving. Functionally enhanced BALL GRIP with 36-teeth gear ratchet for smooth driving by simple repeated finger or wrist movement. Using as a stubby ratchet by popping off the blade and inserting 1/4" Hex insert bits
