This product is made of high quality materials. It is characterized by lightweight, high hardness, non deformable, anti corrosion and oxidation resistance. A great choice for you. Features: Made of high quality aluminum alloy and plastic materials, this product is sturdy and durable. With 60 100mm gripping range, it has a wide range of application. Enlarged and widened four claws, easy to install firmly and not easy to fall off. Lightweight, high hardness, non deformable, anti corrosion and oxidation resistant. 360?rotation after it is installed, simple in use and convenient as well. Specification: Condition: Brand New Item Type: Bike Phone Holder Material: Aluminum Alloy + Plastic Color: Black Gripping Range: 60 100mm Length: Approx. 65mm / 2.6inch Width: Approx. 50mm / 2.0inch Clamp Dia: Approx. 31.8mm / 1.3inch Weight: Approx. 109g / 3.8oz Package List: 1 * Phone Holder 2 * Adapters (25.4mm & 22.2mm) 4 * Paster 2 * Antiskid Tape 1 * Spanner 1 * User Manual