Tecnoseal X20 Shaft Anode - Zinc - 5-1/2" Shaft Diameter [X20] Marine Hardware | Bow & Stern Eyes They have been wind tunnel

They have been wind tunnel tested to wind speeds of 80 knots

This provides the added convenience of hot water when underway or generator power is not available

Patented Wide Range Search algorithm locks onto satellite signal 4-5 times faster than conventional peak scanning approach

UPC: 671880015349

Tecnoseal X20 Shaft Anode - Zinc - 5-1/2" Shaft Diameter [X20] Marine Hardware | Bow & Stern Eyes They have been wind tunnelShaft Anode Material: Zinc Outer Diameter: 7. 244" Inner Diameter: 5. 50" Height: 3. 504" Weight: 11. 00lbs Holes: 4 Specifications: Material: Zinc Box Dimensions: 4"H x 8"W x 8"L WT: 14. 1 lbs UPC: 8059617816216 Quick Guide (pdf) Owner's Manual (pdf)