The Craftsman Ultimate Screwdriver Bit Set lets you tackle jobs from simple carpentry projects to complicated fabrications. Between the Phillips head and Torx driver bits, you'll have a comprehensive bit set that will let you move from job to job without having to cobble together the pieces you need as you go. To make carrying these bits to the job easy, this kit comes in a durable blow molded plastic case that keeps them protected and organized. The tough alloy steel construction will ensure these bits are up to whatever you can throw their way. Handle any type of fastener with this comprehensive screwdriver bit set.