The Lenox Tools 2381724HDPW Heavy-Duty Cast Iron Pipe Wrench 24-Inch is built for Extreme Durability. The heavy duty cast iron construction is extremely durable and gives you the confidence to get the job done. The Pipe Wrench grips tightly with it"s hardened teeth that are ideal for most hard pipes, bolts and couplings. The enhanced durability allows you to use maximum torque to loosen or tighten fittings.