Home Depot has the 100-Piece Milwaukee 48-32-4082 Shockwave Impact-Duty Alloy Steel Driver Bit Set with PACKOUT Case plus 15-Piece Milwaukee 48-89-4630 Titanium Shockwave Drill Bit Kit (48-32-4082-48-89-4630) for $64 with free shipping.

Separately, we've seen the 100-piece set for as low as $50 and the 15-piece set for as low as $20.