The RacksBrax Accessory Plate with a RacksBrax HD Hitch (sold separately) allows you to lock on or take off your MAXTRAX® MKII and MAXTRAX® XTREME recovery boards off your roof rack in less than 10 seconds. The fully engineered, lightweight powder coated aluminium RacksBrax Accessory Plate suits most roof rack bars. You will also need to purchase: MAXTRAX® Mounting Pins securing pins to fasten the boards to the RacksBrax Accessory Plate. 2 x “T” brackets as a transition between the roof rack bars and the RacksBrax HD Hitch. (Available from your roof rack manufacturer)   In some instances you will need to add a set of RacksBrax Accessory Bars (sold separately) to your RacksBrax Accessory Plate to increase the height of the Accessory Plate/recovery boards to achieve door clearance.