Spark Plug Socket Set 3/8"Sq Drive 4pc

• Forged, Chrome Vanadium steel, 3/8"Sq drive WallDrive® sockets with rubber plug retention, external hex and polished chrome finish.
• Sockets: 14, 16, 21mm, 16mm Thin-wall.
• Set includes thin walled 16mm socket, for where clearance is tight.
• Lifetime guarantee*.