Check the listing for details. RAM-B-138-UN10 RAM X-Grip Large Phone Mount with Drill-Down .... Color: Black, Condition: New. Listed at 74.44 USD. RAM X-Grip Large Phone Mount with Drill-Down ... RAM-B-138-UN10 Genuine RAM Products! The RAP-B-138-UN10U consists of a 2.5 INCHES diameter round base with the universal AMPS hole pattern, double socket arm and universal spring loaded X-Grip cradle for cell phones. Designed into the mount is a 1 INCHES diameter patented rubber ball and socket system with adjustment points at the both ends of the socket arm; this with a twist of the arm knob, allows you can move the mount to your optimum viewing position. The included X-Grip cradle has a clean and clever four leg design that sports great holding power without hiding your phone behind foam pads and plastic. The spring loaded X-Grip cradle expands and contracts, allowing for a perfect custom fit of your cell phone. The perfect complement to the modern sleek interior of today's vehicles, the RAM X-Grip is the cell phone cradle evolved. The X-Grip includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.hardware included (1) Optional Tether(1) Glue Tube for Rubber Capsholder dimensions Width Range: 1.75 INCHES - 4.5 INCHES Depth Range: .875 INCHES maxsocket to socket length 3 INCHES hole pattern 4-Hole AMPS: 1.181 INCHES x 1.496 INCHES 3-Hole 120-Degree: 1.812 INCHES Diameterplate size 2.5 INCHES Diameterball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumHigh strength compositeStainless steelpackaging type Retail BagWeight 0.71 lb Additional Information Exposure to vibrations, like those generated by high-powered motorcycle engines, might impact iPhone cameras hardware included (1) Optional Tether(1) Glue Tube for Rubber Caps holder dimensions Width Range: 1.75 INCHES - 4.5 INCHES Depth Range: .875 INCHES max socket to socket length 3 INCHES hole pattern 4-Hole AMPS: 1.181 INCHES x 1.496 INCHES 3-Hole 120-Degree: 1.812 INCHES Diameter plate size 2.5 INCHES Diameter ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials Marine-grade aluminumHigh strength compositeStainless steel packaging type Retail Bag Weight 0.71 lb