Compatibility:A universal marine tool compatible with most boat models including Mercruiser Alpha, Alpha 1, Bravo, OMC, MR, Cobra, and other universal joint bearing systems. Versatile Functionality:This alignment tool ensures precise positioning of the drive shaft receiver with the gimbal bearing, while also enabling quick and accurate verification of alignment between the engine coupler, gimbal bearing, and drive system. Its separable design enhances portability and storage convenience Premium Material: Constructed from high-strength steel with a galvanized surface finish, this tool offers lasting durability and remains free from rust even in demanding marine conditions Installation:Ready to use without any installation or drilling required Package Includes: 1 × Bearing Alignment Tool