Heavy Duty Roof Mount for Masts up to 1-7/8" OD - EZ 19A Antenna Mast Peak Mount ACCEPTS MASTS UP TO 1-7/8" 14 GAUGE FEET, 18 GAUGE TUBE DESIGNED FOR MOUNTING TELESCOPING MASTS ON FLAT OR PEAKED ROOFS. MAST IS HELD SECURELY IN PLACE WITH 2 HEAVY DUTY SET SCREWS. DESIGNED TO SUPPORT ROHN, EASY UP, CHANNEL MASTER TELESCOPIC PUSH-UP MASTS