Features1Manufacturing Material: Made of high carbon steel material, strong and durable, which undoubtedly prolongs its service life. 2Product Size and Specification: 20cm / 7.9in length, 2mm / 0.1in thickness, 13/15mm and 14/16mm openings, suitable for a variety of nuts. 3Arc Design: Arc design, maximum conversion of strength, humanized design, lightweight and portable, this is undoubtedly necessary tool for cycling. 4Electrophoretic Paint Surface: Electrophoretic paint surface, high strength, high hardness and not easy to deformation. 5Easy to Use: Easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time.SpecificationItem Type:BikeHubWrenchWeight: Approx.92g / 3.2ozMaterial: Carbon SteelSpecifications: 13/15mm And 14/16mm OpeningsLength: Approx.20cm/7.9inThickness: Approx.2mm/0.1inColor: BlackPackage List1 x Wrench