Check the listing for details. RAM-B-121-PD3 RAM Quick-Grip Phone Mount with Yoke Clamp Ba.... Color: Black, Condition: New. Listed at 84.94 USD. RAM Quick-Grip Phone Mount with Yoke Clamp Ba... RAM-B-121-PD3 Genuine RAM Products! The RAM Quick-Grip with Yoke Clamp Mount Twist-Lock Suction Cup consists of a yoke clamp base, double socket arm and spring loaded cradle for supporting most phones. The clamp base will accommodate rails in diameter from 0.625 INCHES to 1.25 INCHES . The double ball and socket design provides adjustment points at both ends of the socket arm with the turn of a single knob, allowing you to set your phone to the optimal viewing position.hardware included Assembly Hardwareholder dimensions Height Range: 4.75 INCHES - 5.75 INCHES Width Range: 2.19 INCHES - 3.25 INCHES Max Depth: .72 INCHES clamp range .625 INCHES - 1.25 INCHES socket to socket length 3 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumHigh strength compositepackaging type Retail BagWeight 0.91 lb Additional Information Exposure to vibrations, like those generated by high-powered motorcycle engines, might impact iPhone cameras hardware included Assembly Hardware holder dimensions Height Range: 4.75 INCHES - 5.75 INCHES Width Range: 2.19 INCHES - 3.25 INCHES Max Depth: .72 INCHES clamp range .625 INCHES - 1.25 INCHES socket to socket length 3 INCHES ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials Marine-grade aluminumHigh strength composite packaging type Retail Bag Weight 0.91 lb