Sale Tecnoseal X20 Shaft Anode - Zinc - 5-1/2" Shaft Diameter X20 Shaft AnodeMaterial: ZincOuter Diameter: 7.244"Inner Diameter: 5.50"Height: 3.504"Weight: 11.00lbsHoles: 4 MSRP: $294.30 Was: Now: $255.91