Tool designed for installing and removing rod end bearings without damage to the bearing, when screwing rod end bearing into nutplates. Tool puts the pressure on the housing - not the bearing. Precision machined tool has 2 different width slots (3/8” & 7/16” wide) machined in either end to match the (2) common sizes for rod end bearings (5/16-24 & 3/8-24) common to RV aircraft. Comes with drive handle. 1 lbs (0.5Kg) shipping weight.