Features: 1.Fitment: These T slot nuts are perfectly compatible with bed rails in both for Tundra, for Tacoma, but also work with a variety of other pickup trucks with compatible bed rails. 2.Rings: The tie down anchors rings has a square shape provides more uniform force, the black coating is oxidation proof, anti deformation, and the thickened material can ensure the long term use. 3.Practical: The tie down anchors are heavy duty made, used for securing ratchet rope, cam buckle straps, bungees cords, and the T slot has a 3/8in?16 fully tapped and threaded hole. 4.Premium Material: The rails cleat T slot nuts set is made of high strength metal material, which is not easy to deform, will not broken, resistant to strong pressure, providing a strong tensile force. 5.Application: The rail cleat nut set is ideal to add tie down points for a truck, trailer ,SUV, boat to carry heavy loads, and let you far away from cargo swing and noise. Specification: Item Type: Truck Rails Cleat Nut Set Material: Metal Application: Ideal to add tie down points for a truck, trailer ,SUV, boat to carry heavy loads, and let you far away from cargo swing and noise Fitment: Fits for Tundra Fits for Tacoma Applicable to pickup and trucks with compatible bed rails