This extremely robust double clamp can be effortlessly clamped to square or round objects with a diameter of 12 - 58 mm.Double clamps can be rotated 360 degrees horizontally and flexibly adapted to different usage requirements.Equipped with T-shaped bar, can be operated with one hand, quickly and easily tightened or loosened.Max. load weight is 5 kg.Both clamps are covered with a silicone pad, which not only prevents scratches on your devices but also increases the clamping force. The maximum load weight is 1.5 kg.Both clamps are covered with a silicone pad, which not only prevents scratches on your devices, but also increases the clamping force.Made of sturdy and durable aluminium alloy material, can be used outdoors, rust protection and corrosion resistance.