TEKTON 1/2 Inch Drive x 21 mm 6-Point SocketSHD23121

Large, Stamped Markings - Permanently impressed into the material by a roll-stamp die and as large as possible while still being readable along the socket's curved surface, Exterior and Interior Finishes - The exterior is chrome-plated and the interior is chrome-plated and supplemented with a clear coat or painted finish where needed for full coverage, 6-Point Socket Opening - Provides an exact fit and maximum contact for hex fasteners, Prevents Fastener Round-Off - Radiused corners prevent fastener round-off by applying force to a fastener's flat sides, rather than its corners, Secure Drive Tool Engagement - Detent grooves and beveled edges provide a smooth and secure connection with the drive tool.