Package: This kit contains 20PCS Brass High Speed Nozzles for High Speed 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 compatible with for 3, 3d printers. Better Compatibility and Applicability: Works with most FDM printing materials such as PLA, ABS, PETG, TPE, TPU, PC, etc. 20PCS Nozzles Kit: nozzles are made of high quality materials, which has better thermal conductivity and high hardness for better printing. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:brass Package Contents: 20PCS Brass High Speed 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.