Grips protect trailer decking from stud damage and deck rot. Excellent traction and braking control while loading or unloading. Extremely durable, and manufactured from HDPE plastic. Grips keep the track from freezing to your trailer deck. Provide superior performance as compared to any other grip-type product. Each packaged set consists of six 15″ W Grips, complete with stainless steel Torx T-20 attaching hardware, Torx driver and mounting instructions. Made in the U.S.A..