Includes five 1/4" hex drive bits (all 1/2" long) - Straight-slot, Phillips, D-shaped air/fuel mixture screw bit, 6 mm hex jet bit and 1/4"-hex-to-1/4"-drive bit. Detent action in handle with matching laser-etched index marks allows for precise adjustments (detent feature can be disabled if desired). Designed for hard-to-reach areas and air/fuel mixture screws on multi-cylinder motorcycles. Strongest tool of its type on the market. Max torque is 50 lb/in.