8pcs Direct Drive Extruder Hobbed Gear For MK7 RepRap 3D Printer Fits 1.75mm Filament

Specification:
Model/Type: MK7
Height: 13mm (0.5'')
Bore Diameter: 5mm (0.2'')
Outer Diameter: 12mm (0.47'')
Hobbed Diameter: 10.5mm (0.4'')
Quantity: 8 pieces



Features:
- and high quality
- Direct fits a motor with a 5mm shaft which use an M4 grub screw
- This hobbed gear works for many direct drive extruder
- Perfect to be used on 1.75mm filament, also 3mm filament if your motor is firm enough






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