These Faithfull heavy-duty industrial tools known as 'Leader' pipe wrenches. They are used in civil engineering and are consequently made to conform to the most stringent specifications.The cast iron handle is a heavy 'I' beam construction to ensure maximum strength and rigidity under loading. The teeth on each jaw are hardened and tempered to resist wear. The design of this wrench allows a bigger jaw capacity than the 'Stillson' wrench. The lower jaw is precision seated to prevent harmful loading onto the retaining pin. Conforms to BS3594 part 1.Select Option 300mm350mm450mm600mm Add to Basket Quantity