Rigdance 20mm Double Socket Arm with 17mm Ball Adapter for Car Phone Bracket With this 20mm ball mount arm, you can have your phone mount to the 20mm mounting system for your car, truck. This 20mm double socket mount arm is compatible with bullet point mountng solutions and any other 20mm ball mount system. Package Includes: 1 x 2.36 inch Double Socket Arm (20mm Ball Socket) 1 x 20mm-17mm ball adapter Key Features: LOW PROFILE INSTALLATION 20mm BALL MOUNT SYSTEM EASE OF INSTALLATION & ADJUSTABILITY ALUMINIUM ALLOY CONSTRUCTED 【20mm Ball Mount Arm with 17mm Bll Adapter】This item is consist of one 20mm Double Socket Arm and one 20mm to 17mm Ball Adapter. Features dual 20mm socket ends, compatible with Tackform, for iBOLT and for Bullet point mounting solutions, and any other 20mm (0.79 ) ball mounting system. The 17mm ball end is compatible with 17mm car phone holders 【2.36 LOW-PROFILE Mounting】Compact 2.36 short arm, less leverage, which ensures a discreet and low-profile installation, more stable 【Effortless Installation & Adjustment】The large wingut is specially equipped with anti-twist gaskets inside, which allows for a quick and tight locking down, providing flexibility to position device holders exactly where you want very securely 【Made of All Metal】All parts are made of solid yet lightweight CNC aluminium alloy, safeguarding your phone securely on 【360° Adjustability】 – Features 2 balls joint for ultimate flexibility—position phones/cameras at any angle ASIN B0GZ2MZ9N6 Brand Rigdance Manufacturer Rigdance Model Number 1342 BuiltIn Media 1 x 20mm-17mm ball adapter, 1 x double 20mm ball socket arm Mounting Type Dashboard Mfr Part Number 1342 Compatible Devices Smartphones Enclosure Material Aluminum Additional Features Rotatable, Rust Resistant Warranty Description 1 Year Compatible Phone Models 17mm ball phone holder