Robust steel tray accessory is the ultimate storage solution for essential cargo and RV travel trailer equipment like generators. For access to your RV or cargo trailer propane tanks, choose from two Tray offerings for the model design fit for your preowned Jack-IT® Two Bike Carrier. With a 100 lbs dynamic weight capacity (in-use and in-transit) on the Jack-IT Plus these Cargo and Generator Trays are built for life and a lifetime of adventure. Tray dimension is 29.5 x 19.25 x 2in Load weight rating varies for Jack-IT model application, range is 100 lbs to 160 lbs (see specifications chart for ratings) CargoTray model #B02608 fits original Jack-IT models LCI#429756, LGA#B00338 related OEM models LCI#406874 or #804298 only (these models have a square connection ) Jack-IT CargoTray model #B02608 offers adjustable positioning Jack-IT Model Jack-IT Model Number Mounting Style Tray Weight Capacity Compatible Tray Model Number Jack-IT Plus LGA # B00338 & LCI # 429756 Square 100 lbs CargoTray #B02608 (Square Receiver Port) Jack-IT TS #B02424 Round 100 lbs SpinTray #B02592 (Round Receiver Port) Jack-IT PRO #B02318 Round 160 lbs #B02592 (Round Receiver Port)