Add molle storage to the rear of your 2018', 21' JL, hard or soft tops. 22" of clearance from bottom of tray to the rear floor. The panel has molle pattern throuhout the tray and the side brackets. This panel design also has 1\4" holes added to the molle pattern for even more flexiblity for attaching your gear to the tray, with a work load of 150lbs. The tray measures 15"x 42.25". "NOTE; For soft top appilcations, mount side brackets directly to the tub . For hard top applications, mount side brackets on top of top bolt flange." You can load out the bottom and top of the tray with your gear to help maximize your storage capacity. This three piece set come powder coated for lasting durability, 100% USA made, and ships free within the USA.