Heavy Duty Roof Mount for Masts up to 2-3/8" OD - EZ 19B Antenna Mast Peak Mount DESIGNED FOR MOUNTING TELESCOPING MASTS ON FLAT OR PEAKED ROOFS. ACCEPTS MASTS UP TO 2-3/8" 14 GAUGE FOOT, 18 GAUGE TUBE. ZINC PLATED. MAST IS HELD SECURELY IN PLACE WITH 2 HEAVY DUTY SET SCREWS. ALLOWS TALL MASTS TO BE SWUNG UP ALONG THE RIDGE OF THE ROOF