RAM® Quick-Grip™ XL Phone Holder with Ball Features: Spring-loaded holder features adjustable side supports that provide a secure fit for a variety of large phones and other devices; easily insert and remove your phone with one hand Included B size 1" RAM® rubber balls allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability Made of powder-coated, marine-grade aluminum and high-strength composite for durability and reliability in the most demanding environments Backed by a lifetime warranty Specifications: HARDWARE INCLUDED Assembly Hardware HOLDER DIMENSIONS Height Range: 5.75" - 7.25" Width Range: 2.625" - 3.625" Max Depth: .72" BALL/SOCKET SIZE B Size (1") WEIGHT CAPACITY Standard Use: 2 lbs Heavy-Duty Use: 1 lb MATERIALS Marine-grade aluminum High strength composite PACKAGING TYPE Poly Bag WEIGHT 0.36 lbs. ADDITIONAL INFORMATION Exposure to vibrations, like those generated by high-powered motorcycle engines, might impact iPhone cameras.