Multi-Function Bicycle Wrench:Bike Wrench is made of, specially designed to tighten or loosen nut/bolt. Bike Wrench Set: wrench covering sizes 8mm,9mm,10mm,12mm,13mm,15mm,16mm,17mm Wide Application: Portable Wrench is ideal for bikes, motorcycles, and tricycles. The hexagon wrench fits in your back pocket or bike pouch. Easy to carry: Small & compact chain tool, it can be carried at anywhere, you can easy to choose the suitble size to fix bike. Weight: about 70g Color: silver Material: Alloy Quantity: 1set Packing list: 2 wrenches Only the above package contents are included, no other products are included. Note: The reflection of light and different monitors may cause the color of the item to be slightly different from the actual item. Measurements allow +/- 1-3 cm.