This bike chain breakeris made of premium material, which can withstand long-lasting use. Features the carbon steel and plastic material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Black -Material:Carbon steel, plastic-Size:10.70X9.60X1.50cm/ 4.21X3.77X0.59in - High hardness chain breaker, hardened firing process, anti-rust and durable, easy to remove and install bike chain.- Ergonomic handle, screwless design, durable and long lasting, comfortable to hold.- Simple to use. Remove extra chains and links with ease and adjust the length of a roller chain.- Used to remove the chain link, making your maintenance and replacement work more convenient.- It is manufactured with professional technology to ensure the product can work for a long time.Packing list: 1 x chain breaker