RAM Square Post Mount with 75x75mm VESA Plate, For Posts up to 3" Wide

Features: Square post clamp base - front plate with a 1.5" rubber ball, a back plate and two stainless steel nuts and bolts Fits square posts with a maximum width of 3" and a maximum depth of 2 1/8" Standard size(medium) double socket arm - Overall length: 5.69", socket-to-socket length of 4.66" Square 3.625" plate with a 75mm X 75mm VESA hole pattern 1.5" rubber ball - ball is positioned 0.88" from the center of one edge -Two optional slotted holes for additional mounting options Constructed of marine grade aluminum with stainless steel hardware RAM ball and socket system with easy adjustment points for your optimum viewing position Holds up to 4 lbs. Made in the USA   Brand: RAM Mounts Part number: RAM-2461-247U-3 Warranty: Manufacturer's lifetime warranty