Check the listing for details. RAM-246U RAM 100x100mm VESA Plate with Ball - C Size.... Color: Black, Condition: New. Listed at 38.44 USD. RAM 100x100mm VESA Plate with Ball - C Size... RAM-246U Genuine RAM Products! This RAM-246U consists of a 1.5 INCHES rubber ball, connected to a 4.75 INCHES square plate with 4x100mm holes and 4x75mm holes in each corner.hardware included (4) .312 INCHES x .187 INCHES Shoulder Washershole pattern See Drawingplate size 4.75 INCHES x 4.75 INCHES ball size C Size (1.5 INCHES )weight capacity Standard Use: 4 lbsHeavy-Duty Use: 3 lbsmaterials Marine-grade aluminumpackaging type Poly BagWeight 0.64 lb hardware included (4) .312 INCHES x .187 INCHES Shoulder Washers hole pattern See Drawing plate size 4.75 INCHES x 4.75 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 0.64 lb