Dynamic RS 300 Dolly Shorts Lewmar's Synchro blocks are engineered

Lewmar's Synchro blocks are engineered for speed

Tested and proven to be 2x more waterproof durable than the ocean standard

Wichard Triple 1 3/8" (35mm) Fiddle Block w/ Swivel Head

Lewmar 60mm Fiddle Cam Synchro Block

Features Delrin(tm) Ball Bearings

Dynamic RS 300 Dolly Shorts Lewmar's Synchro blocks are engineeredProduct Description Dynamic RS 300 Dolly Dolly style has a more upright bow tube for boats with a plumb stem, e. g., Finn, Jet 14, Interclub, and many more. Boat specific tube and sling lengths provide a custom fit for each boat, enabling a balanced handle load and easy maneuvering. All joint fittings are through bolted and designed for increased torque stability. Strong, 3 non stretch, polyester sling provides wrap around boat support. Adjustable,