The Bessey CM34DR D Steel Adjustable C Clamp has a heavy-duty 900 lb capacity and features a 3" x 4-1/2" size. This silver clamp is designed for workholding and toolholding applications, with a throat depth of 4-1/2 inches for a secure grip. Made by the reputable brand BESSEY in China, this adjustable C clamp is a reliable and durable tool for various industrial and manufacturing needs.