Features: Fitment: Fits for Chrysler, Dodge vehicles with 7-1/4, 8-1/4, 8-3/4, and 9-1/4 rear axles Material: Made of standard No.1045 steel with high strength and toughness for durability and perfect match Application: This tool is able to loosen the differential bearing adjusters inside the housing through the axle tube ( you need to use with socket) Features: It will perfectly fit inside axle tube to access the threaded adjusters with sleek design, and there is about 6" of heat shrink on the wrench-end which protects the oil seal and wheel bearing from damage when using .