For in-store pickup only and with stock varying by ZIP code, Kmart offers the Craftsman Bolt-On 2-Speed Hammerdrill Attachment, model no. CMCMTHD, for $18. That's $17 off list and the lowest total price we could find for this attachment. It's designed for the Craftsman Bolt-On 20V drill/driver and features dual speeds and adjustable tension.

Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.