Tie Down Engineering, Inc. is a leading brand of aircraft cables, clips and sleeves and related cutting and swaging accessories. Tie Down Engineering products come in a wide range of Sleeve N' Thimble and Clip N' Thimble sets, and feature an extensive selection of lengths, thicknesses and PVC coating options to fit most industrial and aviation applications. Tie Down Engineering manufactures all products in compliance with the guidelines of the National Association of Trailer Manufacturers.