Anti-shock anti-shakePhone mount with 1" ball head ergonomically designed, solid stainless steel ball head covered with anti-slip rubber, perfectly fits motorcycle bicycle phone mount, effectively relieves ATV/UTV/scooters/electric car and automobiles from huge impacts at high speeds, built-in soft rubber pad reduces friction prevents scratches on the phone, retractable hidden knob keeps smartphone firmly fixed on the phone holder, for your riding provide more effective protection. Compatible with RAM MountsMotorcycle Phone Holder with 1" Ball Head Compatible with RAM mount B Size double socket arm, connects to any cell phone holder accessory that has 1" ball head installation mode, cell phone clip width from 2.55" (65mm) to 3.34" (85mm), supports devices up to 14mm thickness, suitable for 5.5-7 inch cell phones, such as iPhone 14 13 12 11 ProMax, Samsung Galaxy S21 S22 S21+ S22+, OnePlus Ace 10Pro, Google phone, Huawei phone and other smartphones.