Description Excellent Design: Improved double insection design can join tightly, not easy to fall off and superior grip. Bottom presser foot design, versatile use, self-locking function, easy to use and improve productivity. The average adult can easily finish what you want with one hand with this wrench. High quality: Made of 45 high carbon steel, body quenched and forged, with high hardness, good toughness and great torque. The hardness can be up to HRC 48-52. Special anti-rust surface electrophoresis treatment. Features: the large wrench is 380mm long, the small wrench is 260mm; ability : 3 to 6.1 cm (L) and 1.5 to 3 cm (S), it can be used on pipes, screws, nuts, etc. Ergonomic handle: the ergonomic TPR handle secures your grip at the strongest point and keeps the users wrist in a normal position to reduce strain and improve work productivity. Usage: Can be used for automobiles, tractors , oil filters, glue seals, shower heads, fuel filters, jar openers, PVC junctions, bottles, faucets, water filters, sinks, taps and many more other objects.