iBOLT 20mm Metal Ball Suction Cup Base for Industry Standard 20mm Dual Ball Socket mounting arms electronics_selected_Oct2025 Versatile Use: Ideal for a

Versatile Use: Ideal for a wide range of applications

shake the bottle

It is easy to operate in the confined space of a car's spark plug area

Fits: 3156 3056 3456 4156 3047 3157 3157A 3057 3155 3157NA 3357 3457 4057 4157 etc

Universal Fit: The steering wheel spinner knob measures 11

iBOLT 20mm Metal Ball Suction Cup Base for Industry Standard 20mm Dual Ball Socket mounting arms electronics_selected_Oct2025 Versatile Use: Ideal for aiBOLT 20mm Metal Ball Suction Cup Base for Industry Standard 20mm Dual Ball Socket mounting arms Product Features This iBOLT 20mm Metal ball suction cup base is made out of sturdy Aluminum, composite, and rubber material (for the suction cup base) compatible with all industry standard 20mm mounting arms, such as the iBOLT FixedPro Series. COMPATIBILITY: Compatible with all 20mm mounts and adapters including the iBOLT FixedPro Series and other industry