U-bolt clamp kit for mast, suitable for mounting antennas on mast/tube/pipes/pole for outdoor applications Designed to support most outdoor extension cables, fiberglass LoRa antenna, helium miner Hospot antenna, 4G LTE/WiFi/VHF antennas and TV antennas Well made with quality materials and Dacromet coating finish give it the advantages of high anti-corrosion. Color: As shown Material: Alloy Size: Bracket Diameter: Approx. 23mm Package Contents: 3 x Antenna Mast Clamp Mount Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. thing. The measurement allowed error is +/- 1-3 cm.