Check the listing for details. RAM 1.5" Ball Mount with Two 100x100mm VESA Plates - RAM-102U-246. Color: Black, Condition: New, Made in United States. Listed at 76.99 USD. Features: ---Two VESA 4.75" square adapter plates, each with 4x100mm holes and 4 x 75mm holes in each corner ---RAM 1.5" rubber ball connected to each plate ---Includes washer inserts for use with smaller screws ---Standard length double socket arm: Overall length: 5.625" - Socket-to-socket Length: 4.5" ---A single spring inside the arm opens the end sockets, allowing you to pivot the ball and socket connection ---Length if fully extended: 7.688" ---Ram ball and socket system - Easily adjust to your perfect viewing angle ---Constructed of powder coated marine grade aluminum ---Genuine RAM Mount: Part # RAM-102U-246 ---Manufacturer's lifetime warranty ---Made in the USA Plate Hole Patterns: ---100 x 100 VESA Pattern ---75 x 75 VESA Pattern ---100 x 50 Half VESA Pattern.