Features Standard curved opening, streamlined, better fit, less friction and wear and more convenient to use. Make the key thicker, the surface adopts polishing process, fine production, not easy to rust. The total length of the key, the moment the arm increases more torsion, and labor saving. Using this key tool can effectively save your time and improve work efficiency. It is made of high-quality chrome vanadium steel, with high hardness and wear resistance. Function: 1. Standard curved opening, streamlined, better fit, less friction and wear, and more convenient to use. 2. Make the key thicker, the surface adopts polishing process, fine production, not easy to rust. 3. The total length of the key, the moment when the arm increases more torsion, and labor saving. 4. Using this wrench can effectively save you time and improve work efficiency. 5. It is made of high-quality chrome vanadium steel with high hardness and wear resistance. Specification: < /a>Item Type: Two Ended Wrench Material: Chrome vanadium steel Specification: Approx. 11mm/0.4inch Round head width: Approx. 18mm/0.7inch Opening width: Approx. 23.4mm/0.9inch Total length: Approx. 151mm/5.9inch Package List: 10 x Key Package List 10 x Wrench