Specifications:Material: BrassQuantity: 1 pcLength: 12mmScrew thread: M6Caliber: 0.4mmFeatures:Mk8 nozzle represent improvement over previously used Mk7 nozzle.Mk8 has shorter length of extrusion channel than Mk7, which helps to extrude plastic with less force.MakerBot Mk8 0.4mm Replacement Nozzle for Replicator 1 & 2 Stepstruder.This nozzle makes printing with PLA easier.Package includes:1 x...