Standard and Deep Length Fractional Sizes: 5/16″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, & 3/4″ Standard and Deep Length Metric Sizes: 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, & 19mm 3/8″ Drive x 3″ Extension w/ Friction Ball 3/8″ Drive x 3/8″ Universal Joint w/ Friction Ball 1/4″ Hex x 3/8″ Square Adapter w/ Ball Retainer.