Increase the versatility of your screwdriver with this flex bit set. A sturdy steel construction increases the bit's durability for a longer lifespan. Equipped with a reflex core, this torq bit set allows 2-in bits to flex up to 15° to reduce breakage. Improve stability with the 10X magnetic screw lock system for fastener retention. This DeWalt bit set comes with 20 bits of assorted size.