2pcs 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: 2 piece

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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