This is a M5 Wing Nuts. Screw length is 16mm. Accurate design. 3 file formats are attached.Details:
Nut Height (T): 4.1mmOutside Diameter (OD): 10.3mmThread Pitch: 0.8mmThread Size: M5 (5mm)Wing Height (L): 11mmWing Width (W): 22.5mm
Custom size and design possible, you have to contact with me. If you want other file formats please contact with me.
Thanks, Mahbub