The Milwaukee Shockwave Screwdriver/Drill Bit Set 39pc is an ideal set for trade professionals as well as DIYers. Designed to be used with Impact Drivers this set can be used for many different applications and materials, such as plastics, woods, masonry and metals. In this set is a 10mm multi material drill bit, an 8mm multi material drill bit, two 6mm multi material drill bits, a 5.5mm multi material drill bit, a 5mm multi material drill bit, a 4mm multi material drill bit, a 6mm Red Hex Titanium Drill Bit, two 5mm Red Hex Titanium Drill Bits, a 4.5mm Red Hex Titanium Drill Bit, a 4mm Red Hex Titanium Drill Bit, a 3.5mm Red Hex Titanium Drill Bit, a 3mm Red Hex Titanium Drill Bit, a 2mmRed Hex Titanium Drill Bit, a 25mm PH1 shockwave screwdriver bit, three 25mm PH2 shockwave screwdriver bits, a 25mm PZ1 shockwave screwdriver bit, three 25mm PZ2 shockwave screwdriver bits, a 25mm PZ3 shockwave screwdriver bit, two 25mm TX10 shockwave screwdriver bits, two 25mm TX15 shockwave screwdriver bits, four 25mm TX20 shockwave screwdriver bits, three 25mm TX25 shockwave screwdriver bits, three TX30 shockwave screwdriver bits, a magnetic Blade holder 60mm and a plastic case to store all bits in. Features and Benefits: Designed to flex for more durability, Shock Zone reduces stress at the tip preventing breakages, Special heat treatment helps to absorb impact. Technical Specifications: Pack size - 39pc.