Ebay offers Milwaukee Shockwave Impact Duty 40-Piece Drill and Drive Bit Set for $19.99 (reg $28) with free shipping.

Product Description:
The Milwaukee® 40-Pc. Shockwave™ Impact Duty™ Drill and Drive Set Model 48-32-4006 features bits engineered for extreme durability and up to 10X life of standard driver bits. Made of proprietary steel and heat treated to control hardness, the Shockwave Impact Duty driver bits feature an innovatively designed geometric shock absorption zone to extend life. The forged tip allows for a secure grip and maximum contact, eliminating stripping or slipping. Designed for cordless tool users, the Shockwave Impact Duty accessories are ideal for heavy-duty impact applications and deliver a full system solution for all your drilling and fastening needs. Accessory Type: Drill/drive set, Case Included: Yes, Material Type: Steel, Metric Set: No, Pieces (qty.): 40, Standard: Yes

• Geometric design provides shock absorption
• Proprietary steel and heat treated process for maximum strength and durability
• Forged tips for maximum grip
• Includes Phillips, square, Torx, slotted, hex, hex drill bits, nut drivers and square adapters, plus bit holder and case