Limtula 1 Inch Double Socket Arm Clamp Mounting Base Motorcycle Bike Handlebar Base 25mm Ball for Head Mount 1.5-4cm Clamp Range

Made of quality materials, durable, anti-shock and stable to use. suitable for round rails and bars, such as motorcycle bicycle handlebar clamp mount, clamp range is 1.5-4cm/0.59-1.57 inch. Thickening the inner wall can increase the friction force of the ball for head, clamp it firmly, and prevent slipping. With 1-inch ballhead base at both ends, 360 degree rotating ball for head, provides you perfect viewing angles. Easy to use and operate, you can install it effortlessly.