Tekton 1/4, 3/8, 1/2 Inch 6 Point Socket Set With Rails, 37 Pieces (4-38 Mm)

6-Point Socket Opening – Provides an exact fit and maximum contact for hex fasteners Large, Stamped Markings – Markings are permanently impressed into the material by a roll-stamp die and are clearly visible because of their extra-deep outline Exterior and Interior Finishes – The chrome-plated exterior is highly corrosion-resistant and wipes clean to a mirror finish, and the interior is protected against rust with clear coat Secure Drive Tool Engagement – Detent grooves and beveled edges provide a smooth and secure connection with the drive tool Twist-to-Lock – Place sockets onto the clips to store them loosely, or twist them clockwise onto the clips to lock them in place