For its Craftsman Club members, Sears offers the Craftsman 159-Piece Mechanics Tools Set, model no. 714994331599, for $129.99 with free shipping. (Not a member? It's free to sign up.) That's $170 off list and the lowest total price we could find. It includes standard and Metric screwdrivers, ratchets, and wrenches.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.