Wangdd22 5PCS 3D Printer Drive Gear 40 Tooth Linear Extruder Filament Drive Gear for Makerbot MK8 Delta Prusa I3 Printer

描述

★Warning : Small Parts, Not For Children Under 5yrsSpecification:Size: 11mm *12mm (H * outer diameter)Hole: 5mmGear parts: 7mmMaterial: Stainless steel 303Gear outer diameter: 12mmNumber of teeth: 40 toothPitch: 0.9Pressure angle: 50 degreesPackage Included:5 X 40 Tooth Linear