4pcs headlight adjusters with screw bases, replace the stripped out torx head adjusters and able to adjust the beam angle of the headlights just as intended. Durable construction - Upgraded screw base material to ensure reliable performance and long service life. Fits 1991-2001 Cherokee XJ, 1991-1992 Comanche, replace part number 55054621 55054621AB. Also fits old F700 F-800 box truck headlight, replace part number D8BZ13032B D8BZ-13032-B. Also fits 9200 9300 9400 ProStar S1723 S1724 S1753 S1754 S1800 S2100 S2155 S2276 trucks with sealed lights, replace part number 500565C91. Direct replacement and easy installation - They just pop in and out, a bit tricky to get your hand behind the headlight bucket but not too bad.