The name "Shockwave" has become synonymous with durability and reliability, and Milwaukee's line of Shockwave accessories has proven time and time again how they've earned that reputation. Now Milwaukee offers that same proven technology in a 48-89-4444 4 Piece Shockwave Drill Bit Set that will allow you to attack the toughest drilling jobs with ease. These bits feature a thunderbolt tapered web design that gives them increased cutting power and lateral strength, so you can use them for not only drilling holes, but widening them as well. The 135 deg. split point design means the bit will cut on contact with less bit walking; this also makes them great for starting and drilling steep angled holes. Designed to outlast standard bits buy up to 10x, the Milwaukee 48-89-4444 4 Piece Shockwave Drill Bit Set is a must have set for professionals and do-it-yourselfer of all kinds.