DEWALT® #2 phillips impact ready power 3-1/2 In. bit tips have been extensively tested to make sure that they are strong and reliable when and where you need them to be. These bit tips are precision fabricated from shock-resistant tool steel and submitted to an advanced hardening process, ensuring maximum durability. Strong enough to drive screws in a variety of materials, #2 impact ready power 3-1/2 In. bit tips attach easily in bit tip holders. The unique snub nose design gives these tips an ideal fitments so you know that this DEWALT® product will always work for you, not the other way around.