Case size: 185*70*3.5mm/205*95*45mm/185*70*35mm/20.5*95*45mm
Material: Chrome-vanadium alloy steel
Color: multicolor
Quantity: 7pcs/8pcs/13pcs/12pcs

Package list:
8pcs: 1* 8x70mm slotted bit, 2* 8x35mm slotted bits, 1* 8x70mm crossed bit, 3* 8x35mm crossed bits, 1* impact screwdriver

Features:
<< Heavy duty material:  The screwdriver bits are made from chrome-vanadium alloy steel, which is heavy duty, impact resistant, wear resistant and durable. All the tools has high hardness.
<< Use: You can apply to loosen OR tightening fasteners with this must-own tool.
<< Comfortable grip: Non-slip grip handle, it is comfortable to hold and operate.
<< Good performance: Impact force helps loosen rusted or frozened screws without damaging.
<< Portable: Easy to carry and use, all the tools are stored with a carry case.