Adopting the "new spear type head" to achieve the world's smallest head width. The glasses part is KTC's original powerfit shape. Adopts an I-shaped cross-section structure that is lightweight and resistant to bending. The size indicated is a large, easy-to-read embossed engraving. Combines the functions of a snanner that is suitable for quick turning, and a glasses wrench that can be used with strong force. Excellent torque transmission.