[Versatile Compatibility] Suitable for various hydraulic disc brake systems, including BH59/63, BH90, TEKTRO, SRAM, and MAGURA models. [High-Quality Materials] Copper alloy olive heads offer high hardness, high-pressure resistance, and corrosion resistance. [Comprehensive Set] Includes 30 pairs of brake hose connectors and olive heads per set. [Professional-Grade Components] Designed for mountain bikes and other cycling applications requiring reliable hydraulic brake systems. [Easy Installation]The oil needle Brake olive head is easy to install, making it a convenient choice for bikers. Specifications: Material: Pure Copper Quantity: 30 pairs per set Compatible with: BH59/63: Suitable for Shimano hydraulic disc brakes Models: MT200/M315/M355/M365/M395/M396/M445/M446/M447 BH90: Suitable for Shimano hydraulic disc brakes Models: M506/M596/M615/M666/M675/M7000/T750/M785/M8000/M985/M9000 TEKTRO: Suitable for TEKTRO hydraulic disc brakes Models: Aurigacomp/Comp wS/Draco wS/Draco Grade 2 SRAM: Suitable for SRAM hydraulic disc brakes Models: E1/E3/E7/E9/CR/DB1/DB3/DB5/XX/XO/GUIDE MAGURA: Suitable for Magura hydraulic disc brakes Models: MT2/MT4/MT5/MT6/MT7/MT8