[Application]: Use for MERCURY / MARINER 135 - 250 HP VERADO 200 - 300 HP MERCRUISER 120 - 375 HP ALPHA AND BRAVO ONE STERNDRIVES ALSO MERC / MAR 75 HP 1984 AND NEWER VERADO 135 - 200 HP Fury, Tempest Plus, Mirage Plus, REV 4, Trophy Plus, Bravo I & Maximus Propellers. (Attention: Not compatible with Verado V8 engines with 1.25 inch prop shafts.) [Function]: Designed to protect the transmission system during maintenance and parts replacement. Provides buffering and protection against shocks to the transmission system. [Advantages]: Soft-Shift rubber hub kit helps reduce shifting noise and propeller rattle, delivering quieter and smoother power transfer from the engine to the propeller. Color: Black Material: Metal Package Contents: 1 x Flo-Torq II Hub Kit Note: Only the above package content is included; other products are not included. Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.