Features： 1、CARBON STEEL CONSTRUCTION: Constructed from robust carbon steel, the L track double threaded stud nut is designed to withstand the harshest conditions, providing you with safe anchoring and fastening solutions. 2、BLACK FINISH: Featuring a smoother black finish, L track tie down stud nuts are not only aesthetically pleasing but also rustproof and built for long lasting durability, maintaining their quality over time. 3、SECURE AND ADJUSTABLE: Designed for easy installation, simply insert the accessory from the top into the L Track and securely lock it in place. It can be effortlessly removed or adjusted along the track as needed. 4、HIGH LOAD CAPACITY: With a break strength of 5,500 lbs and a working load limit of 1,800 lbs, the fasteners ensure safe anchoring without any wobble, providing peace of mind for heavy duty applications. 5、COMPATIBLE WITH VARIOUS TRACK STYLES: This L track stud nut kit is compatible with all styles of L Tracks, including standard L tracks, aircraft seat tracks, inclined L tracks, and recessed L tracks. Maximum load capacity is 600KG / 1323lbs. Specification： Item Type: L?Track?Double?Threaded?Stud?Nut Material: Carbon Steel Color: Black Size: M10 x 45mm Fitment: for Truck Bed Trailer Cargo Control Pickup RV ATV Package List： 5 x?L?Track?Double?Threaded?Stud?Nut