3/4" twelve-point wrench with 1/2" drive. Clearance height 13-1/4". Overall length 13-3/4". Fits the older Continental engines, as well as the newer Lycoming Wide Decks (WD), 0-390D & D2 engines.
Tip: This wrench is most commonly used for the Lycoming Wide Deck engines, as well a the Lycoming models IO-390D & D2 engines. It is also used for some of the older Continental engines such as the original A-series. 1 lbs (0.5Kg) shipping weight.