Malfah Multi-functional Cruved Jaw Plier 10 Inch Vice Grip Wrench Heavy Duty Locking Handle The jaws are forged with high quality carbon steel to offer good toughness and prevent deformation. - Designed with claw thread, able to provide strong clamping and biting force, and greatly increase the friction, suitable for various round pipes. - Designed with claw thread, able to provide strong clamping and biting force, and greatly increase the friction, suitable for various round pipes. The opening size of the locking pliers can be adjusted with toothed screws, to meet your different needs and promote working efficiency. The pliers have a treated heat process to tighten joints. Using the double-leverage principle, effort-saving and time-saving. - Made of high-quality high-speed steel material, rustproof, anti-corrosion and durable, with long service life - Appropriate for rotating water pipes, disassembling screws and nuts, fixing fixtures, pulling nails, repairing cars, electrician maintenance, etc.The Vise-Grip Straight Jaw Locking Plier is for general purpose with maximum strength and gripping capacity. Locks on instantly and release quickly. Adjusts to various sizes. Straight serrated jaws with quick-release lever.