[2mm T 10MM Hole Thickness]
0.5m 8T
Number of Teeth: 8
Modules:0.5
Inner hole: 0.06 / 0.07 inch (1.48 / 1.98 mm) motor shaft tight fit).
Total Thickness: 0.1 inch (2.5 mm) / 0.2 inch (5 mm) / 0.4 inch (
Maximum outer diameter: 0.2 inches (5 mm)
Material: Brass
Remote control aircraft, various model practicalization