1、Made of high‑quality 45# steel with refined heat treatment, double open‑end wrench kit can be durable to use. 2、Each wrench has two open jaws at both ends, and the design of the jaws is ergonomic. 3、Suitable for DIY or home use, widely used in car, bicycle and vehicle maintenance, street lights, computers, electronic appliances or factory maintenance. 4、Meanwhile, such wrench kit keeps long service life, not easy to damage so that you can use for a long time. 5、Built to strict quality control standards, double open end spanner set's quality is guaranteed, you can use it with confidence. Item Type: Double open-end wrench kit Model: LJ-A0002-5 Material: 45# steel Color: Silver Size1: Approx. 6 x 7mm / 0.24 x 0.28in Total Length: Approx. 125mm / 4.9in Opening Thickness: Approx. 4mm / 0.16in Size2: Approx. 8 x 10mm / 0.31 x 0.39in Total Length: Approx. 150mm / 5.9in Opening Thickness: Approx. 4.5mm / 0.2in Size3: Approx. 10 x 12mm / 0.39 x 0.47in Total Length: Approx. 165mm / 6.5in Opening Thickness: Approx. 5.3mm / 0.21in Size4: Approx. 12 x 14mm / 0.47 x 0.55in Total Length: Approx. 190mm / 7.5in Opening Thickness: Approx. 6mm / 0.24in Size5: Approx. 14 x 17mm / 0.55 x 0.67in Total Length: Approx. 205mm / 8.1in Opening Thickness: Approx. 6.8mm / 0.27in Size6: Approx. 17 x 19mm / 0.67 x 0.75in Total Length: Approx. 230mm / 9.1in Opening Thickness: Approx. 7.8mm / 0.3in Size7: Approx. 19 x 22mm / 0.75 x 0.87in Total Length: Approx. 240mm / 9.4in Opening Thickness: Approx. 8.5mm / 0.33in Size8: Approx. 22 x 24mm / 0.87 x 0.94in Total Length: Approx. 280mm / 11in Opening Thickness: Approx. 9mm / 0.35in 8 x Double Open-End Wrench Kit 1 x Cloth Bag