6mm to 19mm & 21mm (no 20mm). 3/8" Drive.

Socket Type: Standard
Warranty: No Warranty
Number of Pieces: 15
Size: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm
Manufacturer Part Number: G Series
Drive Type: 6 Point
Drive Size: 3/8in.
Brand: Craftsman
System of Measurement: Metric
Set or Single Item: Set
Surface Finish: Chrome
Country/Region of Manufacture: United States
Tools Included: Sockets