[WIDELY USED]This mast mounting clamp is designed to hold most Wifi, PCS, cellular, TV Antennas, CB, Ham, pipe, flag pole, torches, umbrella, parasols, fishing rods. It allows you to vary the mounting pipe length.[3 ASSEMBLE SETUP OPTIONS]The antenna pipe clamp kit is great for mounting round pipe(pole) to another round pipe(pole), square railings to another square railings, or mounting round pipe(pole) to square railings.(The diameter range of round pipes is 1 - 1.8inch, the diameter range of square pipes is 0 - 1.8inch)[JAW BLOCKS MAKE IT MORE STABLE]Antenna mast clamp kit uses jaw blocks with two long bolts(2.2 inch in distance, 5.5 inch in length) to give a stronger install for ensuring the pole not slip down.[MATERIAL]Heavy duty mast to mast mounting hardware is made from Zine-Plated Steel with anti-rust coating finish.[TWO SMALL WRENCHES INCLUDED]We provide two small wrenches to make it easier and faster for you to install.Colour: silverMaterial: Iron + plated white zincPackage Contents:3 x Antenna Mast Clamp2 x wrenchOnly 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. The measurement allowed error is +/- 1-3cm. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 1391 hours, wish you a happy shopping Thanks for your cooperation and well make you feel satisfied.