Check the listing for details. RAM-D-101-C-ID1U RAM Double Ball Mount with 100x100mm VESA Pla.... Color: Black, Condition: New. Listed at 130.44 USD. RAM Double Ball Mount with 100x100mm VESA Pla... RAM-D-101-C-ID1U Genuine RAM Products! The RAM-D-101-C-ID1U consists of a 3.68 INCHES diameter round base, SHORT length double socket arm and 4.75 INCHES square plate. The 3.68 INCHES diameter round base has pre-drilled holes, including two holes at 180 degrees and three holes at 120 degrees. The 4.75 INCHES square plate contains 4x100mm holes and 4x75mm holes in each corner. Designed into the mount is a 2.25 INCHES diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles.hardware included (4) .312 INCHES x .187 INCHES Shoulder Washersproduct dimensions Overall Height: 7.875 INCHES socket to socket length 3.6 INCHES hole pattern See Drawingsball size D Size (2.25 INCHES )weight capacity Standard Use: 6 lbsHeavy-Duty Use: 5 lbsmaterials Marine-grade aluminumpackaging type Poly BagWeight 3.18 lb hardware included (4) .312 INCHES x .187 INCHES Shoulder Washers product dimensions Overall Height: 7.875 INCHES socket to socket length 3.6 INCHES hole pattern See Drawings ball size D Size (2.25 INCHES ) weight capacity Standard Use: 6 lbsHeavy-Duty Use: 5 lbs materials Marine-grade aluminum packaging type Poly Bag Weight 3.18 lb