Sintron] 3D Printer MK8 Extruder hotend 0.4mm Nozzle Latest Upgrade P – Sintron Technology
Amazon.com: 3D Printer - 3D Printer Parts Makerbot MK8 Direct Extruder II Generation MK10 I3 Extruder Kit Left/Right Hand Aluminum Alloy 1.75mm - (Size: Left) : Industrial & Scientific
0.5 mm MK8 Nozzle – Replicator 2/2X – Fargo 3D Printing
Olearn 3D Printer Part Mk8 Dual Extruder Kits Double J-Head for Makerbot 3D Printer with 1.75mm Metal Supplies - China Mk8 Extruder Upgraded, Dual Gear Extruder Left Hand | Made-in-China.com