This versatile clamp with flexible arm can be placed in virtually any position or angle. Sturdy flexible arm maintains its positioning while holding loads of up to 1 pound. Includes a 3-Prong clamp head and a nickel-plated flex arm that is 12” (305 mm) long. The boss head connector securely attaches to support stands, lab frames, or any support rod with a diameter up to 0.88” (22 mm). Clamp opens to 3.75” (95.3 mm) wide.