Meet your new go-to mount and component option for pairing any holder or dock with a dashboard drill-down mount. The RAM-101-225B2U consists of a C size medium length double socket arm, two round 2.5" diameter round bases with the universal AMPS hole pattern, and one 2.10" x 2.60" steel backing plate (hardware included). RAM's patented rubber ball and socket technology dampens shock and vibration and allows for near-infinite adjustment, enabling perfect viewing and operating angle of your device.FEATURESDrill-down double ball mount with 2.10" x 2.60" steel backing plate that connects to RAM components containing the universal AMPS hole patternIncludes C size 1.5" RAM rubber ball and medium length double socket arm; ball and socket technology allows for near-infinite adjustabilityComponents made of powder-coated, marine-grade aluminum, and steel for durability and reliability in the most demanding environmentsBacked by a lifetime warrantyhardware included(1) 2.10" x 2.60" Steel Backing Plate(4) #8-32 x 1" Machine Screws(4) #8 Split Lock Washers(4) #8 Flat Washersproduct dimensionsOverall Height: 7.35"socket to socket length4.66"hole patternRound Plate:4-Hole AMPS: 1.181" x 1.496"3-Hole 120-Degree: 1.812" Diameterball sizeC Size (1.5")weight capacityStandard Use: 4 lbsHeavy-Duty Use: 3 lbsmaterialsMarine-grade aluminumSteelpackaging typePoly BagWeight1.4 lb