The MAXTRAX XTREME Mounting Pins are designed to work exclusively with MAXTRAX XTREME Genuine MAXTRAX XTREME Mounting Pins are the easiest, safest, and most secure mounting solution for putting your MAXTRAX XTREME on a roof rack or cross-bars. Constructed from high-quality black nylon and stainless steel, these quick-release pins can hold one or two sets of MAXTRAX XTREME (2 or 4 boards). Top roof rack manufacturers, including Rhino Rack, Eezi-Awn, Front Runner, and more, make a reciprocal bracket that allows for a bolt-on roof rack mounting solution. Designed exclusively for MAXTRAX XTREMEthese cannot be used with any other brands. Does not work with MAXTRAX MKII.  The design also permits a TSA-style padlock to be run through the top of the pin to keep your MAXTRAX XTREME securewe recommend a bicycle cable lock if your security requirements exceed this.   Weight: 1 pound Size: 6.5 inches long including an inch-and-a-half shaft of 10mm diameter thread that can be cut to length if required. SS Nylock nuts & flat washers are included. Warranty: Lifetime warranty against faulty materials and workmanship. Shipping: Calculated at time of checkout.