2 Point Standard Metric Sockets 3/8 in Dr 16 mm Opening Crescent 12 Point Standard Metric Sockets Drive Size [Nom]: 3/8 in Drive Type: 12 Point No. of Points: 12 Opening Size [Nom]: 16 mm Measuring System: Metric Type: Socket Wt.: 0.11 lb Finish: Full Polish Chrome Material: Alloy Steel Language: English Tip Size [Nom]: 16 mm Tip Type: 12 Point Width [Nom]: 0.87 in.