Universal Deck Fill Key is constructed of corrosion resistant stamped 304 stainless steel. Fits all Sea-Dog® fuel fills as well as most other competitors fills. A multi-purpose tool that also functions as a shackle key, bottle opener, straight blade screwdriver, plus 5/16", and 7/16" hex head wrenches.
| Brand | Sea-Dog Line |
| A | 4" |
| B | 2-3/4" |
| C | 1-1/16" |
| D | 1-3/16" |