As a reader discovered, Advance Auto Parts offers the Gear Wrench 7-Piece Flex Head Ratcheting Combination Wrench Set in Metric or SAE for $34.99. Opt for in-store pickup to dodge the $9.99 shipping fee. That's the lowest price we could find by $24. The set features seven thin head wrenches ranging in sizes from 3/8" to 3/4".