(Pack of 4) Directv Long Braces for J Mount with 2" OD Clamps Support Arms Monopoles Ka/ku Slimline Struts Extends from 20" - 33" Fits 2" OD Mast Pipes Pack of 4 EASY TO INSTALL ON ROOFS OR SIDE WALLS and comes with lag bolts PROVIDES TRIANGULAR SUPPORT TO FOOT MAST Works on Wifi, CCTV Security Camera, and Radio antenna J mounts as well.