Ampro T45971 3/8-Inch Drive Fits-All Go-Thru Socket Set SAE and Metric, Standard and Deep, 17-Piece Chrome vanadium steel for superior performance and durability SAE and Metric, 6-point and 12-point, Hex/Spline/Square/E-TX Newly redesigned 72 tooth geared offset reversible ratchet with ergonomic rubber grip Fits (Metric): 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, and 19 mm Fits (SAE): 5/16-Inch, 3/8-Inch, 7/16-Inch, 15/32-Inch, 1/2-Inch, 9/16-Inch, 19/32-Inch, 5/8-Inch, 11/16-Inch, 23/32-Inchand 3/4-Inch