Seachoice Deck Plate Key Black 50-32651 by Seachoice $6.08 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Seachoice Deck Plate Key #50-32651 Black Poly Carb. Will fit 1-1/4" and 1-1/2" deck plates. Overal length 3-3/8".