Yak Gear Universal Track Nut Kit - 4 pk The Yak-Gear Universal Track Nut Kit allows you to mount your favorite accessories to any track system. This kit includes 12 stainless steel screws in 3 different sizes (5/8 in.  in. and 1 in.) along with 4 track nuts and 1 allen wrench. Product Features:Allows you to mount your favorite accessories to any track system Includes allen wrench, installation instructions and recommendations