Package Content: You will receive 15 brass nozzles, including 5 pieces of 0.4mm, 2 pieces of 0.2mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm. This set is enough to meet your needs. Premium Material: Our printer nozzles are made of premium material with high hardness, durability and good thermal conductivity. Product Feature: The inner wall of the nozzle is smooth, the viscosity coefficient is small, and the wire material is pushed softly. Cut and chamfer designs reduce drag and prevent clogging, making it easier for the printer to work better. Compatible With: These nozzles are compatible with for Creality K1, CR-M4 3D, K1 Max printers. Apply To: Our printer nozzle kit is suitable for most FDM printing materials, such as PLA, TPE, ABS, PETG, PC, TPU, etc. 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: 15 x brass 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.