[Features]● The tip is processed parallel to prevent cam-out and transmit high torque without damaging the screw groove. ● The grip is made of materials including natural materials such as wood and cotton. ● The blade is made of PB's own special alloy and has excellent hardness and toughness. ●A 5-digit production number is marked on the blade, and this number can be traced back to the manufacturing process at the raw material stage. ●The grip is gentle on the skin, ideal for holding, has excellent impact resistance, and is easy to clean. ● The grooved grip, which has been supported for decades, is the best shape to grasp and can reliably transmit high torque.