MK8 drive gear 1.75 mm filament extruder pulley; Brand: Senza marca; Package contains: 1 x MK8 Filament 1.75mm Wire Pusher Gear; MPN 10070203 Specifications: hole diameter 5 mm; external diameter 9 mm; length 11 mm; grain M4; Material: Stainless Steel Compatibility: for 3D printer extruders — RepRap (Prusa i2, Prusa i3), Makerbot and additional models Mounting: MK8 (evolution of MK7) to be mounted directly on the crankshaft for extruder pulley installations Filament support: designed for 1.75 mm filament; works with PLA and ABS filaments and other materials such as rubber and PLA Wood Type: puleggia dentata trascinafilo (toothed drive pulley) with toothed profile developed to give good adhesion and smooth, precise feeding .
eBay