These butterfly clamps have a superior holding strength that is used to hold large as well as bulky papers securely. clamp is made of heavy-gauge steel wire for durability. Clamp offers an excellent resistance to rust and wire ends are buried in corners of clamp. Clip/Clamp Trade Size: #2; Clip/Clamp Color(s): Silver; Clip/Clamp Material(s): Steel; Clip/Clamp Interpack Quantity: Paper Clips.Superior holding strength and durability.Ideal for bulky papers, cardboard or any large-capacity job.Durable heavy-gauge steel.This product is a manufactured by a certified MBE (minority owned business).