https://www.acehardware.com/departments/tools/hand-tools/sockets/2042470
DeWalt 5/16 in. X 3/8 in. drive SAE Bit Socket 1 pc Mfr# DWMT86392OSP - Ace Hardware
The Hex Bit Socket has Direct Torque technology to help prevent rounding of fasteners and to provide better grip.Find the BIT SCKT SAE 3/8X5/16 at Ace.