MK Break 26mm Length for 1.75mm Filament With Teflon Tube· Size:M6X26mmInner diameter:2mmThread:M6The front end of the threaded:5mmThe rear end of the thread:18mmPipe total length:26mm、Fit for Makerbot 3D printer extruder304 stainless steel Material2mm inner diameter for 1.75mm SuppliesHigh temperature pipe insulation