Usage Tips:Replacement hub kit for all Alpha and One motors with aluminum and stainless steel accessories with 2 Flow- hubs. Replaces Mercury part number: 835257K1. Part Number: 835257Q1. For use with Mercury / Mariner 40-60 Thrust, 70-250 , Force 90-120 and Verado 150-300 (six cylinders with 2.5 cm shaft only. For use with Alpha, Alpha One and One (less than 400 ). for - II is the world's first modular hub system for outboards and sterndrives No need to run out of time on the water waiting for rubber hub replacement. for - hub systems cushion and protect the drivetrain from most impacts. Replacement for Mercury / Mariner 75hp 1984+, 90 & 115hp 1978+, 125hp 1994+, 135-200hp, Verado 200-300hp, 120-375hp outboards. Colour:Black Material:Metal Package Contents: 1Set x Propeller Hub Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.