Check the listing for details. RAM-2461U RAM 75x75mm VESA Plate with Ball - C Size.... Color: Black, Condition: New. Listed at 33.94 USD. RAM 75x75mm VESA Plate with Ball - C Size... RAM-2461U Genuine RAM Products! The RAM-2461U consists of a C size 1.5 INCHES rubber ball connected to a 3.625 INCHES square plate featuring a 75mm x 75mm VESA hole pattern. The rubber ball is positioned 0.88 INCHES from the center of one edge. The RAM-2461U will attach to all RAM C size double socket arms.hole pattern 75 x 75mm VESAplate size 3.625 INCHES x 3.625 INCHES ball size C Size (1.5 INCHES )weight capacity Standard Use: 4 lbsHeavy-Duty Use: 3 lbsmaterials Marine-grade aluminumpackaging type Poly BagWeight 0.4 lb hole pattern 75 x 75mm VESA plate size 3.625 INCHES x 3.625 INCHES ball size C Size (1.5 INCHES ) weight capacity Standard Use: 4 lbsHeavy-Duty Use: 3 lbs materials Marine-grade aluminum packaging type Poly Bag Weight 0.4 lb