TEKTON 3/8 Inch Drive External Star Socket Set with Rail, 12-Piece (E4 - E20) | SHD91117

The shallow external star sockets are a female 6-lobe geometry designed for a high-torque fit that resists slipping. These sockets are required for E-Star fasteners, which are commonly found on seat mounts, brake system components, and steering columns.

• Includes 12-pc. 3/8 in. drive shallow external star sockets: E4, E5, E6, E7, E8, E10, E11, E12, E14, E16, E18, E20; Socket rail
• External Star Geometry – Shallow external star (E-Star) sockets have an internal 6-lobe geometry designed for a high-torque fit that resists slipping
• Materials – The socket is made from 50BV30 steel and hardened to 40–47 HRC for strength and durability
• Exterior and Interior Finishes – The chrome-plated exterior is highly corrosion-resistant and wipes clean to a mirror finish, and the interior chrome plating is supplemented with a clear coat or painted finish where needed for full coverage
• 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
• Secure Drive Tool Engagement – Detent grooves and beveled edges provide a smooth and secure connection with the drive tool