High-quality black nylon and stainless steel quick-release pins for securely mounting your MAXTRAX on a roof rack or cross bars.
MKII & XTREME: Only one set is required for mounting one or two sets of MAXTRAX (two or four boards total).
Combo Set (MKII/XTREME): Designed for ONE SET of MAXTRAX MKII and ONE SET of MAXTRAX XTREME only. The set includes 4 pins which can securely hold 2 MAXTRAX MKII and 2 MAXTRAX XTREME, 4 stainless steel Nylock nuts and 4 flat stainless steel washers. There's a hole in the top of each mounting pin for a padlock.