[1-5/8" INCH JAW OPENING] KARRYTON 10" Aluminum pipe wrench is perfect for pipe diameters up to 1.3"/33 mm. Straight handle made of Aluminum Alloy and jaw made of Chromium-Molybdenum (Cr-Mo) Steel, WILL NOT break or warp. [ALUMINUM I-BEAM HANDLE] KARRYTON pipe wrench’s aluminum handle 40% lighter than cast iron wrenches. Grey anti-rust and anti-oxidation spray coating on the surface. The long I-beam handle which is comfortable to hold with wear-resistant and non-slip quality. [Cr-Mo JAW & ADJUSTABLE NUT] The entire wrench head is drop forged from Chromium Molybdenum Carbon steel. The hardness of the teeth is extremely high after quenching, making sure to always bite on the pipes. The non-slip nut runs smoothly for quick adjustment of various pipe sizes. [V-SHAPED DESIGN JAW] V-shaped opening of jaw design makes it easier to clamp onto the objects (including pipes, bolts, hex nuts). Thirty-degree wave designed teeth provide most safety and gripping power without being slippery. [WIDELY APPLICATIONS] KARRYTON’s heavy-duty Aluminum pipe wrench is suitable for most kinds of pipes, nuts and bolts, and, is versatile for industrial and garage projects. Meanwhile, applicable to many scenarios like gas tank repair, oil field work, household plumbing, vehicle maintenance, mechanical maintenance, construction and etc.