Features: 1.【Ideal Removal Tool】This JDE92 Injector Socket Kit is designed to remove and install the injector nozzles on all tractors which are equipped with the Robert Bosch KDEL 21mm type injection nozzle. Easy and convenient to use, save your time and effort. Makes adjusting the nozzles a breeze. 2.【Compatibility】The Injector Socket Tool is compatible with John Deere 3029, 4039, 4045, 6059, 6068, 6076, 6081, 6101, 6466 and 6619 engines. Alternative for Part Number JDE92 & 7458. 3.【Special Design】Comes with 3 pack items, combination usage. The inner sleeve can effectively fix the nozzle, and the outer sleeve is used to loosen or tighten the gland nut of the nozzle. .