Tecnoseal X16 Shaft Anode - Zinc - 3-3/4" Shaft Diameter [X16] brads This enables it to provide

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

Perfect Pole - 5' to 9' Extension

and vessel monitoring equipment (valve closed/open

Eliminates drilling holes and permanent mounting of downrigger brackets on boat

Thousands of tiny microfibers 1/100th the width of a human hair clean without smearing or streaking

Tecnoseal X16 Shaft Anode - Zinc - 3-3/4" Shaft Diameter [X16] brads This enables it to provideShaft Anode Material: Zinc Outer Diameter: 5. 59" Inner Diameter: 3. 75" Height: 3. 75" Weight: 8. 80lbs Holes: 4 Specifications: Material: Zinc Box Dimensions: 4"H x 6"W x 6"L WT: 9. 1 lbs UPC: 8059617812607 Quick Guide (pdf) Owner's Manual (pdf)