Woot offers IRWIN Speedbor Max Drill Bit Set, 8-Piece (IWAX128PC) for $13.99 (orig. $39.99) free shipping with Amazon Prime.

Product Description:
The newly redesigned IRWIN Accessory Storage Cases are visiblybetter. They have clear lids for easy viewing of content and arestackable for easy traveling and storage. They feature a patentedbit-bar design for easy bit removal and customizable assortments of thewood drill bit set.The new SPEEDBOR Spade Bits now last 2 times longerand cut 2 times faster on average vs IRWIN SPEEDBOR prior generation in1-3/8-inch Oak. The drill bit sets are designed with chamfered cuttingedges for durability and feature a patented Blue-Groove design for chipremoval.