Raymarine Wireless Vertical Wind Transmitter [T222] SCHAEFER 1 1/16" NICKEL/BRASS SHEAVE They are 100% safe and

They are 100% safe and highly resistant to corrosion

This fleece contains recycled material

A - 1 1/32 in

Durable alloy Rope/Wire sheave

Raymarine Wireless Vertical Wind Transmitter [T222] SCHAEFER 1 1/16" NICKEL/BRASS SHEAVE They are 100% safe andT222 Vertical Wind Transmitter This unique wireless 1. 35m (4'5") mast head unit with transmitter lifts the wind sensor into clearer air. 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, giving you accurate data for performance funtions. Easily fitted with the mast in place. Calibration can be done at any Micronet