Features 1、Multifunctional wrench, teo way opening, detachable, there are 23 metric and imperial specifications. 2、Forged with high hardness chrome vanadium steel, it is sturdy and durable, with higher strength and long service life. 3、High hardness, good toughness, stable performance, easy to use, convenient to carry. 4、Fully polished chromate conversion coating, rustproof and easy to clean, oil stains are swept away. 5、Make your work easier to loosen stubborn or rusty bolts and nuts, provide better leverage performance, and work easier. Specification Item Type: Wrench Material: Chrome Vanadium Steel Total Length: Approx. 198mm / 7.8in Big Head Width: Approx. 31mm / 1.2in Small Head Width: Approx. 21mm / 0.8in Small Head Specifications: 4/5/6/7/8/9/10/11mm Big Head Specifications: 12/13/14/15/16/17/18/19mm Package List 1 x Wrench