Bit Material: Bi-Metal Parameter: Includes: (70) Impact Rated Bits in a variety of socket adaptors, nut drivers, Philips bits, and bit holders Feature: 1.Precision-milled bit tip for enhanced fitment with commonly used fasteners 2. 2 in. bits feature a TORSION ZONE that absorbs the high torque from more demanding applications and helps to preserve bit tips 3. 1 in. bits are great for use with the included magnetic bit holder 4. Modular case for easy, convenient storage 5.Green band on bits makes it easier to find on the jobsite and in your toolbox 6.Nut drivers for use with hex fasteners Applicable machine: Impact rated bits for use in impact drivers and drills Usage scenarios: MULTIPLE APPLICATIONS - Ideal for usage with wood, metal, and hard plastic