Sizes stamped twice on both sides of wrench handle for easier size identification</br>DirectTorque Technology helps prevent rounding of fasteners</br>Stamped hashmark pattern on wrench handle provides added grip points</br></br>Product Description</br></br>Full Lifetime Warranty, Full Polish Chrome Vanadium Finish, DirectTorque Technology,.</br><br/>http://www.amazon.com/gp/product/B01MXV3316