Product Type: 3/8 Inch drive crowfoot wrench set with open end design, can be used with various tools, suitable for 3/8 ratchet wrench and other wrenches, making it a versatile tool that can be used in a variety of applications8 Piece Set: 3/8" Drive Crowfoot Wrench Set includes 8 sizes of crowfoot wrenches: 10mm, 12mm, 13mm, 14mm, 15mm, 17mm, 18mm, 19mmPremium Material: The Open End Wrench Set is made from high carbon steel, ensuring wear resistance, durability, and long term useEasy to use: Crowfoot Wrench Set helps to effectively install and remove nuts and bolts in small places, improving work efficiencyWide Application: 3/8" Drive Crows Foot Wrench Set is suitable for garages, home repairs, automotive repairs, factory, etc Size Chart: 10mm/0.39inch, 12mm/0.47inch, 13mm/0.51inch, 14mm/0.55inch, 15mm/0.59inch, 17mm/0.67inch, 18mm/0.71inch, 19mm/0.75inch Package Includes: 8Pcs Drive Crowfoot Wrench Note: Please allow slightly errors due to manual measurement and different monitors.