Features: Upgraded your bike's reliability with these Alloys bleeds screws features corrosions resistant construction. Engineered with accuracy machined thread and double O rings sealing, these screws deliver 30% enhances clamping force while preventing oil leakage in extreme cycling conditions. Ideal for mountain bikers, bike mechanic, and cycling enthusiasts pursues durability replacement part for brake systems during trail cycling or workshop maintenance. Perfect for maintaining hydraulic brake efficiency during aggressive downhills, or routine bike servicing in harsh weather environment. The bright color election allow personality brake system without compromising the load bearing capacity and oxidation resistance. Specifications: Color:Three Elections Dimension:1x1x0.50cm/0.39×0.39×0.20in Component:alloys Package Includes: 1pair Colorful split cylinders head screws note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.