MATERIAL: The U bolts are made of durable 304 stainless steel with exquisite workmanship, durable and not easily deformed. Compared to ordinary stainless steel, it is more rust and corrosion resistant. PRODUCT SIZE:Thread diameter: M8, suitable for pipe diameter: 23 mm. Antennas with an outer diameter of 1.8~2.2cm, mounting for masts up to 5cm outer diameter. The solid design increases the load capacity and determines the quality. APPLICATION: Pole mounting U bolt clamp set, suitable for mounting antennas on mast/tube/mast for outdoor applications. Suitable for most outdoor extenders, fiber optic LoRa antenna, helium miner hospot antenna, 4G LTE / Support WiFi / VHF antennas and TV antennas. ANTI-RUSE:The surface of the stainless steel is polished, the technology is advanced, the surface is smooth and clear, and the anti-corrosion performance of the stainless steel has been significantly improved, and better rust prevention can be achieved. NOTE:Due to lighting effects and different screen settings, the colour of the picture may be slightly different from the actual product; Small parts, please keep away from children. After extensive application and strict testing, our fastener is both stainless steel and carbon steel galvanized U bolt, all performance is very excellent. Specifications: Product Name: U-bolt Main color: silver tone Weight: 240 g Material: 304 stainless steel Wire Diameter: M8