Raymarine Wireless Mast Rotation Transmitter [T221] Spinlock Tiller Extensions 74-83 Double control block with

74-83 Double control block with cam cleat allows mounting of the control block directly on the Schaefer 1-1/2" traveler track

5ft) Silver

Protective cover for Helmsman and SuperSport compasses

This product is Made to Order

Raymarine Wireless Mast Rotation Transmitter [T221] Spinlock Tiller Extensions 74-83 Double control block withThis unique transmitter compensates for the movement of a rotating mast to ensure that you get the most accurate wind readings at all times. Operating as a wireless device on a Micronet network the Mast Rotation Transmitter compares compass information from the boat with its own information and corrects the wind angle coming from a standard wind transmitter at the mast head. Features: No wires Solar powered Light weight Quick Guide (pdf)