Description: MK10 all metal extruder feed part is used for Makerbot replication 2 or prusa I3 and other similar 3D printers. MK10 extruder aluminum block DIY kit. Makerbot dedicated single nozzle (Left Side). Extrusion head aluminum block for RepRap I3. Specification: Model: MK10 Material: Galvanized Filament size: approx.51x28mm Package Includes: 1 Piecex MK10 Extruder Kit (Left Side)