This 300mm IRWIN Vise-Grip Adjustable Wrench is the largest variant in the range, designed for heavy-duty applications requiring maximum jaw capacity and leverage. The extended length makes it ideal for industrial maintenance, plumbing installations, and mechanical work involving larger fasteners and fittings where substantial torque is needed. Featuring dual metric and imperial scales clearly marked on the jaws, this 300mm model enables precise fastener identification and sizing. The smooth parallel jaw surfaces deliver a secure, non-slip grip whilst protecting finished surfaces from damage. Chrome vanadium steel construction ensures this wrench withstands the rigours of daily professional use, whilst the quick-adjusting jaw mechanism provides effortless one-handed operation for rapid adjustment between different fastener sizes. Features and Benefits:300mm length provides maximum reach and leverage for demanding tasksLarge jaw capacity suits substantial fasteners and fittings