0.2mm 0.3mm 0.35mm 0.4mm 0.5mm 3D Printer Extruder Brass Nozzle Sprinkler Head For Makerbot MK8 Specification: Dimension: 13 x 6mm Material: Brass Precision: 0.2mm \/ 0.3mm \/ 0.35mm \/ 0.4mm \/ 0.5mm Screw Diameter: 6mm Inner diameter: 2.0mm Inner diameter's Accuracy: !#!amp!*!plusmn;0.2mm Package included: 1 x 3D printer extruder brass nozzle