Check the listing for details. 0.6mm 3D Printer Nozzle Head M6 Thread MK8 1.75mm Extruder Print Brass 5pcs. Color: Brass, Condition: New. Listed at 13.92 USD. Feature:Stamp size on surface, convenient to pick the one you need.The hole of print nozzle is consistent size and machining, the thread is clean and well formed.Extruder brass print heads are usually applied to print non-abrasive material filaments such as PLA, ABS, Nylon etc. Specification:Material: BrassScrew Thread: M6Nozzle Diameter: 0.6mmInput Diameter: 2mmTotal Dimension: 13x6mm / 0.51x0.24 inch (L*D) Package Content:5 x Brass Nozzle NOTE: Small accessories, please keep away from children.After replacing the nozzle, please recalibrate the distance between nozzle and build plate to ensure the quality of print parts. How to Replace Nozzles?1: Turn on 3D printer, heat the nozzle and heat block to the target temperature (PLA: 180-220, ABS: 240-280).