1.Size – Drive size: 3/8 inch; Overall length: 345 mm; Wrench sizes: 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, 13/16 inch, 7/16 inch, 20.3 kg.cm, 15/16 inch, 1 inch; Scope of delivery: 1 set of crowfoot wrenches (11 x crowfoot wrenches 1 x ClipOn Organizer). 2.Material The crowfoot wrench is made of the preferred CRV steel, which has high hardness, strength and good wear resistance. The overall small and light weight makes it very suitable for working environments in various tight spaces. It adopts mirror chrome plating, with a smooth and flat surface without burrs, is not easy to scratch or wear, has rust and corrosion resistance, is not easy to deform, and is durable. 3.Features: The rounded head design of the openend wrench eliminates any stripping or splitting of the wrench and ensures a good fit on fasteners, making the work efficient. The wrench set includes a ClipOn Organizer that can be used to store wrenches of different sizes or to secure the wrenches in place during use. The compact and clever design helps save your storage space and is easy to store and carry. 4.Application Widely used for hardtoreach fasteners that ordinary openend wrenches cannot reach, they are connected to drive ratchets, extension bars or torque wrenches and are suitable for work in tight spaces, such as tight engine compartments in cars, mechanical equipment and hardtoreach areas under sinks.