Sturdy and Lasting - The extra long flex-head ratcheting wrench set is forged from high-quality chrome vanadium steel, black electrophoretic paint after phosphating blackening, has excellent rust and corrosion resistance. The unique ultra-long design can increase the torque, which is easier and more labor-saving than other box wrenches on the market. Metric Set - 9-piece metric ratchet wrench sets exceeds ANSI standard include 8*10mm, 12*13mm, 14*15mm, 16*18mm, 17*19mm. Which meet most of your needs. And each wrench has clear dimensioning for quickly identifying the size you need. Anti-slip Long Wrenches - The box end wrenches is set up with 72-tooth ratcheting system, capable of clamping round nuts within 85% of wear, anti-slip property increased by 30%. 5-degrees swing to help tighten bolts efficiently, 180 degree rotating flexible heads allow you to apply leverage at any desired angle and get around obstructions great for tight spaces design. Easy to Carry - The double box end wrenches set comes with a premium organization bag, each wrench storage bag is marked with the corresponding wrench size to keep all wrenches organized. Comprehensive Application - WORKPRO combination wrench sets have a wide range of application scenarios, including motorcycle repair, auto repair, home projects, bicycle repair, machinery repairs, garage engineering, and so on. Best after-sale service - This extended ratcheting wrench is lifetime guaranteed, please feel free to contact us if you have any questions. Manufacturer ‎HANGZHOU GREAT STAR INDUSTRIAL CO.,LTD ‎HANGZHOU GREAT STAR INDUSTRIAL CO.,LTD Item Weight ‎3.38 pounds Package Dimensions ‎17.52 x 3.54 x 1.57 inches