Product Feature: * Application: (Bellow Retainer Ring Install Tool) Fits for Alpha 1 Gen 2, Bravo, and Blackhawk U-Joint Bellows; Aftermarket for Sierra # 18-9870, Mercury / Mercruiser 91-818162. * Application: (Hinge Pin Tool) Fits for all marine push plate tail drives: Alpha One, Alpha One Gen II, Bravo I, II & III along with MC-1, R & MR; Aftermarket Tool that Replaces 91-78310, 18-9861 & 90200. * Function: (Bellow Retainer Ring Install Tool) Designed to install the aluminum ring into the Alpha 1 Generation 2, Bravo, Blackhawk U-Joints Bellows. This will not damage your ring like aluminum installers can. .
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