This is one half of a 2 piece version of an Engine Drive Alignment Bar Tool For Mercruiser P/N 91-805475A1 and 91-57797A3. Works on Alpha One, Pre Alpha, Gen 2, "R", Bravo, All Cobra Sterndrives, Volvo SX, All #1 Drives, 1, 1A,1B, 1C. This is a specialty tool for marine engine drives. I submitted an opinion on another one of these that is listed as "handle" This is the same tool, only this one is a two piece version of it, and you have one half of the tool.

This is one half of a 2 piece version of an Engine Drive Alignment Bar Tool For Mercruiser P/N 91-805475A1 and 91-57797A3. Works on Alpha One, Pre Alpha, Gen 2, "R", Bravo, All Cobra Sterndrives, Volvo SX, All #1 Drives, 1, 1A,1B, 1C. This is a specialty tool for marine engine drives. I submitted an opinion on another one of these that is listed as "handle" This is the same tool, only this one is a two piece version of it, and you have one half of the tool.

References:

http://www.heartlandproducts.net/marine-engine-alignment-tool-two-piece/

http://mbsmfg.com/marine-engine-alignment-tool-two-piece/

http://www.heartlandproducts.net/gimbal-bearing-puller-installer-and-two-piec...