BENGGUO BG-2952 Bicycle Handlebar Phone Holder Aluminum Alloy Phone Mount for 4.7''-7'' Phones - Red / Basic Version High-strength aluminum alloy, wear-resistant and scratch-resistant The thread mechanical locking is firm and does not drop The anti-slip patch prevents scratching the mobile phone Hollow-out design, which will not block the charging holes or keys Double screw fixing, applicable pipe diameter: 1.8-4.2cm Specifications: Material: Aluminum Alloy Applicable phone width: 5.8-9.5cm Applicable pipe diameter: 1.8-4.2cm Package included: 1 x Phone Holder