【Adjustable Pipe Wrench】8 inch adjustable wrench features 9-25MM jaw open, 12 inch adjustable wrench features 19-43MM jaw open. This complete wrench set can easily fix small and large pipes, screws, nuts, etc 【Self Locking Function】Self adjusting wrench with self locking head design enables one-handed operation. The special jaws allow the adjustable wrench to rotate backward and reposition itself. 【Premium Material】Pipe vise wrench is made of heavy-duty chrome vanadium steel and processed with heat treatment to improve their hardness and durability. 【Ergonomic Grip】Pipe wrench with soft TPR material handle and ergonomic design provides extra comfort and reduce hand fatigue. More efficient, operating with less effort. 【Easy To Store】2PCS Self Adjusting wrench are placed in a nice zipper canvas bag, easy to access at any time. If you encounter any problems while using our products. Please contact us by email, our professional after-sales team will contact you and solve your problems in time.