Features: *The for is colored by PVD vacuum coating, which enhances the for hardness and also makes the screws beautiful and not easy to fade *It adopts automatic thread rolling machine processing, the thread is dense and strong, and it is stable during the tightening process *Expand the area between each other, reduce the stress concentration of the fastening force on the accessories, and protect the accessories. The gasket can move freely on the screw head, but it will not fall to prevent the gasket from being lost. Specifications: Specification: M6*18 (with gasket) Material: steel Color: red, green, blue, orange, colorful Package Contents: Screw*2 Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Compatibility - Bicycle Crank Bolts M6*18mm Crankset Fixing Bolts MTB Road Bike Crank Screws Good Performance Materials - These bike accessories are made of premium material, ensuring their durability and long-lasting performance. Optimal Performance - These accessories offer versatility and adaptability to different cycling needs and provide optimal performance and reliable functionality enhance the riding experience and ensure safety. Easy Installation - These accessories can be easily installed on your bike to get your bike running again. After-sale Serive - We provide high quality products, if there is any problem with our product, please contact us.