Tekton By Michigan Industrial Tools 4892 10-pc. 1" Dr. Deep Impact Socket Set (SAE) 9-pc. 1" Dr. Impact Sockets (SAE): 1", 1-1/8, 1-1/4, 1-3/8, 1-1/2, 1-5/8, 1-3/4, 1-7/8, 2" 1-pc. Metal Storage CaseDrop Forged, Heat Treated Chrome Molybdenum 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