Easily to install, simply release and tighten quick release skewer for spring replacements. Perfectly fit for bike front rear quick release skewer, skewer hollows shafts, and axles fixed rod. Made of stainless steel material, rust-proof, -resistant, high intensity and high elastics. Used for fixed on both ends of the quick release, play a elastics pad effect, effectively prevent quick release loose. It mainly used for fixing the two ends of the quick-release hub for quick-release hubs, used as a spring pad, effectively improving the quick release fixation strength. Specifications: Material: Stainless Steel Color: As The Picture Shows Package Weight: approx.7g Height: approx.12mm/0.47in (More Size Detail, Please See Photo.) Note: Please allow 1-2cm 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! Package includes: 10Pcs Bike Wheel Skewer Spring