Feature:1. Tail hook wrench, a tool for disassembling and assembling the bottom bracket fixing ring.2. On the other end is a dual‑purpose wrench for 15/16MM to remove the bottom bracket lock and pedals.3. For 16mm, can be used as an auxiliary wrench for a single‑use tool for chain ring; for 15mm, can be used to disassemble the 15mm fixing screws of the front and rear wheel sets.4. 2‑in‑1 function, convenient and practical, easy to use, a good tool for amateur or professional workman.5. Made of high quality steel material, safe and eco‑friendly, firm and wear‑resistant, for use.Spec:Condition: Brand NewItem Type: SpannerMaterial: SteelProduct Size: Approx. 15.5 x 4.4cm / 6.1 x 1.7inPackage List:1 x SpannerNotice:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.