DIY Ultimaker 2 UM2 Feeder Knurled Wheel Extruder Drive Gear Stainless Steel For 3D Printer Accessories
Specifications:
Inner hole: 5MM
Outer diameter: 8MM
Length: 12MM

Package included: 1 x DIY Ultimaker 2 UM2 Feeder Knurled Wheel Extruder Drive Gear Stainless Steel For 3D Printer Accessories