Cryfokt Ball Head Adapter - 1in 0.35-0.59in Rails

1. [VERSATILE USAGE] Fits 9-15mm/0.35‑0.59in rails, bikes, scooters, phones, navigations, rearview mirrors. 2. [DURABLE MATERIAL] Aluminum alloy and rubber construction for rustproof, sturdy performance. 3. [SECURE GRIP] Anti-slip design prevents loosening in high vibration situations. 4. [WEATHER RE fit for SISTANT] Suitable for use in harsh environments, ensuring stability. 5. [SIMPLE INSTALLATION] Easy to mount with M4 hole, no complicated steps, convenient to use. Specification: Item Type: Ball Mount Base Material: Aluminum alloy, rubber Ball Head Size: Approx. 1in/25.4mm Mounting Hole: M4 Applicable Size: Approx. 9-15mm/0.35‑0.59in rails Application: 1 inch ball bracket is suitable for 9-15mm/0.35‑0.59in diameter rail, bikes, scooters, mobile phones, navigations, rearview mirrors, mini handlebar, etc. packing list: 1 x Ball Mount Base 1 x U Shaped Accessories 2 x Screw 2 x Nut 1 x Washer 1 x Hex Wrench 1 x User Manual