Beckson 4" Smooth Center Screw-Out Deck Plate - Beige [DP40-N] Boat Outfitting | Steering Systems Power A MM21 - Electronic

Power A MM21 - Electronic Control Package

Shrinks at 257 deg

Part #: 7100B7

This enables it to provide highly accurate figures for TWS and TWA by reducing errors from disturbed windflow around the mast head and dramatically reduces upwash when sailing downwind

For: Shimano Tiagra 50W

Beckson 4" Smooth Center Screw-Out Deck Plate - Beige [DP40-N] Boat Outfitting | Steering Systems Power A MM21 - ElectronicScrew Out Deck Plate The Beckson Screw Out Plate was designed to provide access without the use of tools, with a single start non jamming (no cross thread), extra strong, self cleaning buttress thread. They incorporate a self aligning center and an innovative gasket to assure a watertight seal. A back up sealing wall leaves the plate watertight, even if the gasket is removed. Deck plates are used for access to shut off valves or back fastenings,