Premium material: Made of stainless steel, aluminum profile and steel, single stud fitting will not rust with aluminum base and stainless steel ring. The steel stud/center post is zinc plated to prevent corrosion Assembly Break Strength: 4,000 pounds; Working Load Limit: 1,333 pounds. With our high-quality L Track Single Stud Fitting you can tie-down with confidence knowing your cargo is safe and secure Widely Application: This L Track Stud Fitting can be installed at any location of the L-shaped track to create strong and secure tie-down points to connect cargo straps to secure cargo such as motorcycles, ATVs, utility , boxes, pallets, , and more Easy to Use: The fitting with spring-loaded plunger-style mechanism to permit simple attach and detach operation. To detach, simply pull up on the spring loaded mechanism and then slide forward or back and the fitting releases. To attach, rest the fitting in the load track, then push down on the base and push forward Fit for: This L Track single stud fitting fit for all L Track styles such as Standard L track, Aircraft Style Seat Track, Angled L Track, and Recessed L Track Colour:Black Material:aluminum Package Contents: 12 * track clips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.