The GS30K Universal clamp from BESSEY is a device designed to secure objects for carpentry, welding, and other crafts. It features a strong, die-cast aluminum body with a quick release lever, a safety lock, a fixed throat depth, and a rubber grip. Its grip capacity can reach up to 300mm, and its diameter is 140mm. The GS30K also comes with a thumbwheel for exact and fluid adjustments.