7-1/2' Clamping Capacity: The 36-inch wrench can clamp max pipe diameter: 7-1/2'(185 mm). It is designed to provide maximum locking force and bring more convenience to your work. The chain length: 30'/760mm. Flexible Tooth Chain & Jaw: Chain wrench designed with double serrated jaws, it can hold the pipe tightly. And the chain is rust-proof and slip-proof. Our tool can be operated in the opposite direction. Sturdy Steel Wrench: The pipe wrench 36 inch is integrally forged from high-quality carbon steel and then heat-treated to brighten chrome. It is sturdy and resistant to wear and corrosion. Ergonomic Handle: The handle of the wrench meets the humanized design and fits nicely into your hand. It makes you grasp the twist more comfortably, not easy to slip. Long and wide I-beam handle design provides better weight distribution and saves labor