Teardrop AnodePlates for HullsMaterial: ZincLength: 3.35"Width: 1.81"Height: 0.55"Weight: 0.40lbs Specifications: Material: Zinc Box Dimensions: 1"H x 2"W x 4"L WT: 0.4 lbs UPC: 8033837068808 Quick Guide (pdf)Owner's Manual (pdf)