Tekton By Michigan Industrial Tools 4810 11-pc. 1/2" Dr. Shallow Impact Socket Set (SAE) 10-pc. 1/2" Dr. Sockets (SAE): 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1" 1-pc. Storage CaseDrop Forged, Heat Treated Chrome Vanadium Steel Corrosion-Resistant Black Phosphate Finish 6-Point, Beveled-Nose Sockets Hole on Socket Locks onto Drive Tang Meets or Exceeds ANSI Standards Opti-Drive™ Socket Design Contacts Only Flat Surfaces of Fastener Head to Eliminate Rounding Off Corners