Amazon is offering the Bosch 40-piece Drill/Driver Bit Set (DDMS40) for $19.99 Prime shipped. If you are not a Prime member, orders that exceed $25 will qualify for free shipping. That’s 20% off the typical rate there and comes within $0.01 of the lowest price we have tracked in over a year. This Bosch set is comprised of driver and drilling solutions that are said to “provide 10X longer bit life than standard impact bits.” Each piece features a black oxide coating that lowers friction and produce less heat to extend its lifespan. Everything can be easily organized and carried around a job site using Bosch’s included carrying case. Rated 4.8/5 stars.