Features: Upgrading your bike with these durable bike bolts! Made of good quality steel, they provide a reliable solution for your bike cranksets and bottom brackets. Keep your bike safe from water and sand with these waterproof bike bolts. Their designs ensures the durability of your bike parts. Designed for bike enthusiasts, repair technicians, and outdoor lovers, these bike bolts are perfect for various biking activities. Enjoy worry frees biking on any terrain with these sturdy bike bolts. They offer stability and reliability for your bike important parts. These bike bolts provide convenience and value for money. Say goodbye to multiple purchases and enjoy hassle frees biking. Specifications: Material: Steel+Plastic Color: As The Picture Shows Package Weight: approx.160g Size: approx.21x27mm/0.82x1.06in Package Includes: 10Pcs Bicycles Crank Screws note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!