Item description for 21-Piece M35 Cobalt Drill Bit Set for Stainless Steel, Hard Metals & Cast Iron,

【High Quality】M35 Cobalt steel precision ground jobber drill bits for extra durability and long lifetime
【Efficient Design】Special 135° split point multi-blades drill tip for perfect self-centering and fast drilling. 1/4-inch hex shank compatible with standard and quick change chucks drivers and impact drivers
【Multi-Purpose Use】Suitable for drilling stainless steel and various hardened metals such as cast iron, titanium, bronze, aluminium, etc.
【Popular Sizes】Includes imperial sizes: 1/16"(x2), 5/64"(x2), 3/32"(x2), 7/64"(x2), 1/8"(x2), 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 5/16", 3/8", 1/2"
【Unique Storage】Packed in special plastic box for easy storage, imprinted with drill bit sizes for easy identification. Sliding clip on backside of box for hanging on pegboards B0BY83TDVC