Replaces for Mercury part # 835257K1, 835257Q1 Fits: for Mercury / Mariner 40-60 / Thrust, 70-300 2-Stroke and 4 Stroke, Force 90-120, Mercury , Alpha and Alpha One, One (less than 400 ) Outstanding Quality based on quality control,modular hub system for outboard and sterndrive engines Include:forward thrust washer, drive sleeve, adaptor,tabwasher and propeller nut,fit for Props well; Easy and convenient to install,Good choice for replace the old or broken one and spare back up. Colour:As shown Material:Metal Package Contents: 1 * Propeller Hub 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.