CF1193Makes installation to all styles of 1 5/8"" Unistrut/U-Channel simple. Designed with a 1 1/2"" cable management gap it offers the ability to run cable up through the pole and directly out of the Unistrut Adapter. Installation is quick and it ships with spring nuts and bolts for attaching to Unistrut/U-Channel. Chief warrants its products (excluding electric, gas cylinder, and one-way bearing mechanisms) to be free of defects in material and workmanship for 10 years. PLEASE NOTE: This item cannot be shipped to Puerto Rico About Chief Manufacturing For over a quarter of a century, Chief has been an industry leader in manufacturing total support solutions for presentation systems. Chief"s commitment to responding to growing industry needs is evident through a full line of mounts, lifts, and accessories for projectors and flat panels utilizing plasma and LCD technologies. Chief is known for producing the original Roll, Pitch, and Yaw adjustments in 1978 to make projector mount installation and registration quick and easy. Today, Chief continues to provide innovative mount features, including the first-ever seismic-rated LCD and plasma wall mounts. For the highest quality in AV mounting, no name is trusted more than Chief. All Chief products are designed and manufactured at Chief"s main headquarters in Minnesota. Most mounts will ship within 24-48 hours: if you need your projector, LCD, or plasma mount fast, give us a call!