Number of Points: 12 Point. Metric or SAE: Metric and SAE. SAE Sizes: 1/4″, 5/16″, 11/32″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″ and 3/4″. Metric Sizes: 6mm, 8mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm and 18mm. 72 Tooth ratcheting box end. Features metric and SAE sizes. Large markings for easy wrench identification. Number in Package: 20.