Features: Make of High Precisions steels, it have a beautiful appearance, corrosion resistance, and durability. Specially suitable for mountain bike handlebars to ensures secure fastening. Adopting high strength thread designs to ensures firm fastening between screws and risers and prevent loosening. The small and light in weight designs make easily to install and operate on its own. Used to replace or tighten screws on mountain bike handlebars to ensures a secure connection between the handlebars and the frames. Specifications: Materials: High precisions steels Color: Black color/Gold/Color/Steels Size: M5x20mm Package Includes: 10pcs Bicycles Stem Bolts Screws note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.