By Bestbuy.com

Channel Master - Telescoping Antenna Mast 40 Ft - Silver

The Channel Master Telescoping Antenna Mast (40 ft.) is made of 18-gauge, galvanized steel. It comes collapsed at 9 ft., then expands to 40 ft. Top diameter is 1-1/4 in., the second diameter is 1-1/5 in., the third is 1-3/4 in., the fourth is 2 in. and the bottom is 2-1/24 in. Weight is 43 lbs.