Black oxide coating for corrosion resistance and 135 degree split point which minimizes bit walk. Includes one (1) each: 5/64" 7/64" 9/64" 5/32" 3/16" 7/32" 1/4" 5/16" and 3/8" (2) two each: 1/16" 3/32" 1/8" and rubber-sided case with sliding latch for added security.null