Features - Shimano TL-LR10 Hardened steel for rigidity and durability For use with 24mm wrench drive To be used with 1/2" square (male) drive impact wrench or SHIMANO TL-MH10 Usage For installation and removal of lock ring for rotors and cassette sprockets Remark: Cannot be used for multiple freewheels due to the difference in dimensions! Scope of delivery 1 x Shimano TL-LR10 Lock Ring Tool The gear that&';s just as important as components: professional tools Bikes are subjected to a wide variety different conditions so a high-level of maintenance is required to get the best performance out of each component. Moreover, high precision, usability and a unified design are very important elements for maintenance tools. That&';s why we at SHIMANO are determined to continue creating high-performance maintenance tools. We will do everything possible to develop professional tools not just for SHIMANO products, but also for the maintenance of bikes in general. SHIMANO tools have an engineered shape to perfectly fit SHIMANO components. The serration dimension of the tools is designed to match the component shape including allowance.