4pcs Multifunctional Self-Locking Wrench Set - 6/8/10/12 Inch Adjustable Pipe Wrench, Chrome Vanadium Alloy Steel with Non-Slip Handle, Self-Adjusting Auto-Lock Tool for Home/Workshop

Premium Cr-V Alloy Steel Durability: Crafted from high-strength chrome vanadium alloy steel, the wrenches offer excellent corrosion resistance, wear resistance and impact resistance, suitable for heavy-duty use and long service life. Self-Locking & Self-Adjusting Design: Auto-lock function secures tightly on pipes/nuts once clamped, no need for constant re-adjustment; self-adjusting mechanism fits different sizes of fasteners, greatly improving work efficiency. 4-Piece Multi-Size Coverage: Includes 6/8/10/12 inch wrenches to meet diverse needs of home repairs, plumbing work and workshop projects; non-slip handle enhances grip comfort and operation safety.