Tecnoseal TEC-BNT / TEC-BT Bennett Trim Tab Anode - Zinc (Pair). Sacrificial zinc anodes designed specifically for Bennett trim tabs to protect trim tab hardware and surrounding metal from galvanic corrosion. Sold in pairs. Materials: Zinc. Product and package details from manufacturer and marketplace sources: Product dimensions reported as 10 x 0.01 x 10 inches (marketplace spec) and manufacturer lists 3.76" length x 1.12" width x 0.55" height; item weight reported as 0.16 ounces (marketplace) and 0.47 pounds (manufacturer long description). Manufacturer part numbers: KIT-TEC-BT (Product Database), CW52010 (Manufacturer Part Number from Rainforest data). Package dimensions (ProductDatabase): 4.0000 x 1.0000 x 1.0000 inches; package weight: 1.0000 pounds. Applications: replacement sacrificial anodes for Bennett trim tab assemblies on boats to prevent electrochemical corrosion. Includes pair.