MK8 Filament Drive Gear
Bore Size: 5mm and only 5mm diameter available for standard shaft of Nema17 Stepper.
Net Weight: 4g
The drive gear is updated version of MK7 Drive Gear, more compact and more powerful solution.
Made of stainless steel with a hole for M3 grub screw.
The gear 3.2mm wide for 1.75mm filament
Gear 4.5mm wide is available for 3mm filament.