Features1Material: It is made of high strength aluminum alloy, with high hardness, long use time, and durability. 2Portable: Hexagonal screw tool, equipped with 4 screw replacement heads, suitable for various sizes of screws, convenient and quick to use. Quick disassembly, light and compact to carry, four types of 3/4/5/Hexagonal screw heads, convenient storage. Meet most bicycle repair needs. 3Sturdy: The hexagonal socket screw tool is magnetically adsorbed, and the tool head is installed. The two ends of the tool head are magnetically adsorbed, which saves space, is more stable, and is easy to take. 4Durable: The chain removal tool is cleverly designed, the thread is not slippery, and the operation is simple and convenient; the thimble is made of high hardness alloy, hardened and durable, and does not damage the chain. 5Applicability: Suitable for bicycle chains of various brands, suitable for chains above 9 speeds, compact and convenient, efficient and labor saving, without hurting the chain.SpecificationItem Type: Bicycle Chain Breaking Tool SetMaterial: Aluminum AlloyCommodity Size: Approx. Hexagonal Tool 77 x 26mm / 3.0 x 1.0in,Chain Cutter Tool 61 x 26mm / 2.4 x 1.0in (Allowable Error of Manual Measurement)Application: Chain with 9 Speeds and AbovePackage List1 x Hexagonal Tool1 x Chain Cutter Tool