1、Open-end wrench possess light weight, one-handed operation reduces operator fatigue 2、Adopt thicker design, the overall thickness is widened, both ends are available, very versatile 3、Rotation can adjust the required specifications to reduce the difficulty of work 4、Alloy steel material, possess high strength, high toughness, wear resistance, corrosion resistance, low and high temperature resistance 5、The adjustable range of the big head opening is 15-27mm, the adjustable range of the small head opening is 5-15mm, and the thickness is 12mm Item Type: Open-End Wrench Material: Alloy steel Adjustable Range of Big Head Opening: Approx. 15 ~ 27mm / 0.6 ~ 1.1in Adjustable Range of Small Head Opening: Approx. 5 ~ 15mm / 0.2 ~ 0.6in Thickness: Approx. 12mm / 0.5in 1 x Open-End Wrench