Atwood 87891 Replacement Handle Power Jack Made to access the manual override bolt for Atwood powered jacks and Atwood 5th wheel landing leg direct drive assemblies with 4,000 lbs. and 5,000 lbs. capacities. 1/2" INSIDE diameter dimension of the attachment end with a 3/4" OUTSIDE diameter dimension This item will not work on Coleman, Fleetwood and other brands of pop-up tent campers to raise and lower the roof. It is designed as a manual override crank for Atwood jacks only, mfg'd in 2015 and later.