3D Printer Extruder Filament Drive Gear - Sharp Teeth, 8mm Bore for Geared Stepper.
This is very effective filament drive gear with sharp triangular teeth. Gear designed for 8mm shafts, use it with planetary geared NEMA 17 motors. Drive gear has very good grip and can work with 3mm and 1.75mm filaments,
Please, consult with the supplied drawing for dimensions.