The DEWALT® 3 In. Magnetic bit tip holder is strong enough to let you focus on the job instead of worrying about the performance of your tools. This bit tip holder was extensively tested on real world jobsites to ensure that its extra-strength magnet provides superior bit retention. With its hardened core and shock-resistant tool steel, the holder will never let you down by breaking at a crucial moment. The 3 In. Magnetic bit tip holder fits all 1 In. screwdriver bit tips, so you can depend on this versatile tool no matter what the job.