1APPLICABLE MODELS: Fit for Mariner: 2 cycle 60HP, 4stroke 40 60HP, 70 250HP; Fit for Force: 90 120HP; Fit for Mercruiser: for Alpha and for Alpha One, for Bravo One (less than 400HP). 2PART NUMBERS: OE numbers for reference are 835290Q1, 835266A1. Original standard, the manufacturing in accordance with strict OE specifications, direct replacement 3PREMIUM MATERIAL: The propeller hub drive sleeve is made from high strength and durability engineering plastic materials, ensuring longevity performance. 4ENHANCED PROPELLER PERFORMANCE: This propeller hub drive sleeve enhances the performance of the propeller, ensuring smooth and efficient operating. 5EASY INSTALLATION: The prop hub drive sleeve is designed for easy installation, allowing for without hassle replacement or installation on the propeller hub. 1 x Propeller Hub Drive Sleeve