Features: Quality Material: Bicycle crankset is made of high quality forged steel and coated with strong plastic handle designed for repairing bicycle cranks definitely help you save a lot of time and effort. Crank Puller Extractor: Universal bike crank puller extended ejector for removing chain-rings and crank. Bike Crank Extractor is made of high-strength steel it is very sturdy and durable. 4 in 1 Kit: This bike removal tool includes 1 crank remover 1 bottom bracket remover 1 16mm adjustable wrench and 1 hex wrench. Good Gift: For those who ride bicycles as a hobby this is a must-have kit. You can give it to them as a gift. After-service: If you have any questions after receiving the product please feel free to contact us and we will provide you with a satisfactory answer. Specification: Material: 40CR 45 steel Weight: 310g includes: 1 * crank remover 1 * bottom bracket remover 1 * 16mm adjustable wrench 1 * hex wrench "