[Application]: Use for MERCURY / MARINER 135 - 250 VERADO 200 - 300 120 - 375 ALPHA AND ONE STERNDRIVES / MAR 75 1984 AND NEWER VERADO 135 - 200 Fury, Plus, Plus 4, I & Propellers. (Attention: Not compatible with Verado engines with 1.25 inch prop shafts.) [Function]: Protects 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 engine to propeller. Color: Black Material: Metal Package Contents: 1 x II Hub Kit (Only the hub kit included; other items not included) Note: Due to lighting and display differences, the color in the image may vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.