Stedi Silver Edition Hex Bull Bar Tube Mounting BracketsTHE NITTY GRITTY. The Silver Edition HEX Bull Bar brackets to suit 60 to 66mm tube diameter made from High Quality Aluminium with a brushed finish. These bulbar brackets can be used for effortless mounting of our range of HID LED Spot Light and Light Bars. Can also be used to mount the following; Communications Antennas Reversing Camera Systems To measure whether these brackets are suitable for your application, please measure the circumference of