Multiple Sizes Bicycle Wrench 1PC Galvanized Steel Repair Spanner Bike Tools For 8-17mm Inner Hole Mountain Bike Accesories Description: Specification: Size: 5-17mm/0.19-0.66'' Length: 140mm/5.51" Width: 50mm/1.96" Thickness: 3mm/0.11'' The openings at both ends are 13mm and 15mm respectively. Inner hole size: 8, 9, 10, 12, 13, 15, 16, 17 mm Material: 45# galvanized steel Color: silver Weight: 50 grams Specifications: High Quality100% Brand New Product PortableSmall and compact chain tool, you can take it anywhere Suitable for many sizesFix your bike with this bike wrench Perfect DesignSpecially designed for removing and installing screws [Sturdy and durable] 45# galvanized steel material ensures high quality Package Included: 1 x Bicycle Wrench