Features: Make from aluminum Alloys materials, these Caps is strong, durability and resistance to wear and tear, ensuring long terms use. It is mainly used for end of the brake wire cores and end of the shifting wire cores. It is closely matchs with the brake wire and have effective protections function. Prevents the cores of wire form unraveling after cutting and resultings in unevenly force of the cores, also avoid you being poked by cable wire end. Suitable for most kind of mountain bikes, road bikes, fold bikes and other bicycles, convenience and practical. These end Caps is suitable for most bikes cable type and can used for both brake and derailleurs cable. Specifications: Materials: Aluminum alloy Color: Black/Redness Cube size: about 6.6x6.6x6.6mm/0.26x0.26x0.26x0.26inch Package Includes: 1set Bikes Cable End Caps 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.