1.High quality stainless steel, black zinc plated, stable, durable and rust proof, cool black appearance, super torsion can help you save energy. 2.It includes socket wrench 8/9/10mm, spoke wrench, slotted screwdriver, cross screwdriver, socket extension extension rod, solid flat wrench 8/10/15mm, inner hex wrench 2/2.5/3/4/5/6mm. 3.When you are riding outdoors, it can help you solve most of the bicycle problems, and provide perfect accessories for the repair of bicycles and mountain bikes, in addition, multi functional tools can also solve. 4.If you are planning short or long bike trips, this bike repair kit will be a good choice, it can accompany you wherever you might need it. 5.The 16 in 1 bike repair kit fits for almost all bicycle repair, such as mountain bike, road bike, etc, which has professional quality. Item Type: 16 in 1 Bicycle Repair Tool Kit Material: Electroplated Carbon Steel Material Product Size: Approx. 9x4x2.5cm/3.5x1.5x0.9in Advantages: Portable and Multi-function Purpose: 16-in-1 Repair Tools, Basically Including Most Tools for Repairing Bicycles 1 x Repair Tool Kit