1、MULTIPURPOSE: Use the truck bed anchor as an anchor point for trailers, truck beds, campers, or toy trailers, compact and sturdy for easy tumbling of items, an effective rail tie down system. 2、EASY INSTALLATION: Secure the track anchor points and bolt plates to the desired location, then slide the single head stud fittings onto the track. Each L track bolt plate has 2 pre drilled holes for quick installation. 3、TRANSPORT ANYTHING: Use as a truck bed tie down system or trailer anchor point for easy transport of a variety of items including ATVs, UTVs, motorbikes, dirt bikes, snowmobiles and lawnmowers. 4、CONVENIENT: With the L track ring, you can use a variety of accessories such as L Track Straps, Straps with Flat Buckle Hooks, S Hooks, Buckle Hooks, Bungee Straps and Carabiners. 5、DIMENSIONS: The size of the anchor points plate is 45 x 60mm / 1.8 x 2.4in. The center distance between the mounting holes is 25 mm / 1in.