Cobalt bits for drilling into hard surfaces like stainless steel. Set includes (2) 1/16", (1) 5/64", (1) 3/32", (1) 7/64" 135 deg. bits; (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64" 135 deg. split point bits; (1) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (1) 1/4", (1) 5/16", (1) 3/8" 3-flat shank bits; convenient storage case.
