# Industrial Grade, Heat # treated Chrome Vanadium Steel. # Set Contents: #70400: 9pc Hex Socket: 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'', 13/16'', 7/8''. 8pc Hex Deep Socket: 3/8'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'', 13/16''. #70450: 9pc Hex