This is a M4 Wing Nuts. Screw length is 13.6mm. Accurate design. 3 file formats are attached.Details:Outside Diameter (OD): 10mmThread Pitch: 0.7mmThread Size: M4 (4mm)Wing Height (L): 13.6mmWing Width (W): 25mmCustom size and design possible, you have to contact with me. If you want other file formats please contact with me.
Thanks, Mahbub