Check the listing for details. STAINLESS STEEL Mercury MERCRUISER PROP PROPELLER 14 1/4 14.25 X 21 RH ALPHA. Condition: New. Listed at 349.99 USD. New 3-blade STAINLESS STEEL 14.25 x 21 prop Interchanges with 14x21 and 14.5x21 with no noticeable difference Right hand rotation This prop has removable 15-spline hub. Spacers, lock washer, nut are included! Fits Mercury Mercruiser: Mercury Mercruiser Alpha & Bravo OneAlpha and Bravo One Sterndrives - All Horsepowers Fits Mercury Outboards: Mercury/Mariner EFI, 90/115 HP Command Thrust, Optimax and Verado Outboards 135-350 HP135-350 HP 1978 and Newer, and 90/115 CT 2014 and Newer15 Tooth SplineNot recommended for 3.0L enginesNew 3-blade STAINLESS STEEL 14.25 x 21 prop Interchanges with 14x21 and 14.5x21 with no noticeable difference Right hand rotation This prop has removable 15-spline hub. Spacers, lock washer, nut are included! Fits Mercury Mercruiser: Mercury Mercruiser Alpha & Bravo OneAlpha and Bravo One Sterndrives - All Horsepowers Fits Mercury Outboards: Mercury/Mariner EFI, 90/115 HP Command Thrust, Optimax and Verado Outboards 135-350 HP135-350 HP 1978 and Newer, and 90/115 CT 2014 and Newer15 Tooth SplineNot recommended for 3.0L engines