Features: 100% Brand New. You can choose different packages and Whether Contain Teflon. Unique design and beautiful appearance. Compatible with Makerbot 3D printer. Material: Stainless Steel Size: M6*26mm/1.02". Caliber: 1.8mm. Suitable for 1.75mm Filament. Brand Unbranded MPN Does Not Apply Type Printer Accessories Material Stainless Steel Caliber 1.8mm Size M6*26mm/1.02" .