Description Package: 15PCS Hardened nozzles kit, 7PCS 0.4mm, 2PCS 0.2mm, 0.6mm, 0.8mm, 1.0mm hardened nozzles kit. 15 PCS Nozzles Kit: nozzles are made of high-quality hardened steel, which has better thermal conductivity and high hardness for better printing. Smooth Inside: Smooth inner wall without burr, minor viscosity coefficient, smoother tapping. Cutting chamfer design, reducing resistance, smooth feeding, barely blocking. Compatible Models: These nozzles kit is for Vyper, Plus, Max FDM 3D Printers. Better Compatibility and Applicability: 3D extruder nozzles are compatible with most 1.75mm PLA ABS 3D printers with external M6 thread on the market. Please note: the physical slightly color difference or difference, please do not mind, thank you! Colour:black Material:Hard steel Package Contents: 15 x Printer Nozzles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.