$58.99 Reduced Shank | 1/2 Standard Shank | Cobalt | 303C â Drill Bits USA
1/2-1x64ths 33 Piece Cobalt Reduced Shank Drill Bit Set, Drill America, D/A833SD-CO-SET 
9/16-1 5 Piece HSS Reduced Shank Drill Bit Set, 1/2 Shank, Drill America, D/ASWD - World Tool 
