Gravity Car Mount Air Vent Phone Holder for iPhone X XR XS Max Samsung VANMASS Upgraded Car Vent Phone Mount [Patent Steel Hook] Air Vent Gravity Car Mount Phone Holder Air Vent for iPhone X XR XS Max Galaxy Amazon.com: UGREEN Car Phone Holder Vent Phone Mount, Never Blocking Amazon.com: UGREEN Car Phone Holder Vent Phone Mount, Never Blocking. Car Vehicle Cup Holder Mount & Strong Grip Holder for iPhone XS Max Cradle Clamping Dimensions: Cradle will hold phones up to 3. 9 inches wide Lipped grip means phone will stay secure in the holder. The redesigned cradle offers even greater support for larger phones in bumpy conditions. Mount; Straight forward and uncomplicated to use. Suitable for most air vent slats, horizontal & vertical. The adjustable spring loaded arm rotates to suit your slats.