Draper 6 Point Metric Deep Socket, 3/8" Sq. Dr., 17mm

Amazon

Metric square drive 3/8-inch 6-point deep socket Made from chrome vanadium steel material Hardened and tempered with a micro satin finish Socket has a knurled ring for extra grip, Weight: 0.24912235606 Pounds, Manufacturer: Draper

Electrical World

Expert Quality, 6 point sockets manufactured from chrome vanadium steel hardened, and tempered with a micro satin finish. Each socket has a knurled ring for extra grip. Display packed.

ManoMano

Draper 3/8" Square Drive 6 Point Metric Deep Socket (17mm) (16585)