High Quality Materials The cable sheath is made of quality plastic, colorfast, flexible, waterproof, wearable and durable, smooth edge, does not damage the cable casing, more conducive to the protection of the line pipe. Main Function Mainly applied to the brake wire end and the shift wire end, to prevent the wire core from spreading after cutting, causing the uneven off-line force of the wire core. Size Brake Cable End Caps: Inner Diameter: 5 mm; Length: 17 mm. Shift Cable End Caps: Inner Diameter: 4 mm; Length: 18 mm. Wide Uses Suitable for all kinds of bicycles, mountain bikes, road bikes, folding bikes, bring these accessories and enjoy the cycling trip. Package Contents 100 * Derailleur End Caps + 100 * Brake End Caps, 200 in Total. Meets the installation and replacement of your bicycle parts and can be used for a long time. The brake cable end cap is made of plastic. They are durable, corrosion and rust resistant, and can withstand high pressure and impact. Suitable for bicycle repair, making the cable end clean and beautiful. Black is a versatile color suitable for every color wheel. For long-term installation and replacement, it contains 200 pieces. Suitable for bicycle brake cables, front derailleur cores, nylon ropes, shoelaces, etc. Specification: Product Material: Plastic Color: Black Quantity: 100 Pieces Derailleur End Caps 100 Pieces Brake End Caps Product Size: Brake Cable End Caps: Inner Diameter: 5mm; Length: 17mm. Shift Cable End Caps: Inner Diameter: 4mm; Length: 18 mm. Package Contents: 100 * Brake Tips 100 * Derailleur Tips Delivery Quantity: 200 pieces Product color: black Product size: 4mm, 5mm Note: Manual measurement, please allow an error of 1 - 3cm!!!Yeuri