Specifications: Size:1/4" 45T Length: 158mm Material: CR-V+Cr-Mo Packed by plastic hanger Features: 45 teeth ratchet drive, more convenient and flexible. Forged by chrome vanadium steel, overall heating treatment, high hardness, more durable. With quick release and reverse direction function. Ergonomically designed handle, anti-slip design, comfortable grip. Suitable for factories, production lines, repair shop, auto repair factory, personal car modification etc.