Compression Handle CP Zamac/Black Nylon Locking Fresh Water Use OnlyFeatures:O.D. - 3"Cut-Out - 2-1/2"Surface Depth - 1/8"-3/4"Shaft - 3/8"Has a keyed lockFor Fresh water installation onlyIn order to receive a cam bar the item needs to be carded, please add a “C” to the item when ordering this item