Stainless Steel Mast Mount f/TV VHF, WebWhip Antenna & SeaWatchThe Shakespeare; 4366-R is an improved version of the 4366 mast mount.It features a stainless steel design with a standard 1"-14 thread to allow mastmounting of the Shakespeare SeaWatch; TV antennas 3019, 3015, 3004, theWebWhip;, and a host of other stainless steel whip antennas.Features:Made from Stainless SteelCorrosion resistant, durableTwo installation optionsVersatile mounting options- screw holes, banding slotsTwo product mounting options (Hardware not included)A 1"-14 threaded stud & 2 mounting holes support a variety of Shakespeare products such as the SeaWatch 3019, 3015, or 3004, the WebWhip, the 5215, and other SS whip antennasSpecifications:Dimensions (L x W x H): 15-3/4" x 3-5/8" x 4-5/32" (400 x 92 x 106 mm)Weight: 1.7lbs (0.8kg) ApproximatelyMounting options: 6 x Screws, 2 x Banding Straps, or both (Up to 3/4" (19mm) banding straps and 1/4" (6.4mm) dia. holes)Mast diameter: 3-5/8" (92mm) dia. or largerRoHS Compliant: Yes