About the Milwaukee 05-88-8300 Metric Torx Screw, M4x.7x10mm
The Torx design allows for a higher torque to be exerted than a similarly-sized conventional hex socket head without damaging the head and/or the tool. Characterized by its six sided star shape, Torx screws are a lot more difficult to damage or cam out. These Specially designed Torx screws are on a metric standard, and far smaller than the regular standard screw