The PLS FS is a metallic floor stand for the PLS 3, 5, 6, and 180 with a 1/4-20” thread mounting screw. This item is included with the PLS 3R, PLS 3G, PLS 5R, PLS 5G, PLS 6R, PLS 6G Kit and System configurations and is compatible with older generation PLS 3, 4, and 5 products.