The R096 Double Super Clamp from Ulanzi consists of two clamps joined by a center post. Each clamp can rotate 360° and features a 0.5 to 2.3" opening range and nonslip silicone pads to protect the gripped surface or component. This double clamp supports up to 3.3 lb and can be used to attach a selfie stick, an umbrella, or another component to a rail, table, or another surface.