Important Hint:
Many customers complain that the size is too small. Please note that there are two sizes of tube, if the hole is larger than 1.75" in diameter, please buy the larger size. We match the smaller size
Product Description:
1: Size: The thread Outter Diamter is 1-1/2" and top surface is about 1-3/4", Cap will fill a deck fill with 1.5" hose
2: The O-ring under the base seals the cap watertight
3: Attaching 316 Stainless Steel beaded chain included with cap
4: With 1 Pcs Marine Grade Nylon Boat Deck Fill Plate Key, Orange
5: Nylon is a lighter and lower cost solution, Strength and service life are exactly the same as 316 stainless steel

Package includes:
1 Pcs Deck Fill Cap, Top Surface 1-3/4", Material: Nylon, Color: Orange
1 Pcs Boat Deck Fill Plate Key, Material: Nylon, Color: Orange