This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. This hardware kit lets you mount your Sanus flat-panel TV mount into the steel studs common in new construction. The kit is UL listed, and can be used in commercial locations such as office buildings, restaurants, and warehouses. The anchors are designed to fit through the holes of standard steel studs, making installation simple. Compatible with select Sanus mounts, including VMPL, VMPL2, VMPL3 , VMPL50, and VMPL250. What's in the Box: 1. Four 6mm x 43mm bolts 2. Four 20mm (OD) washers 3. 4 Snap-Togglers 4. Installation Instructions