No more burnt This is a must have tool for changing print nozzles. Having the right tools makes all the difference in the world Multi-size High-precision extruder nozzle: 0.2mm 0.3mm 0.4mm 0.5mm 0.6mm 0.8mm 1.0mmCompliant all M6 thread 3D printer: The nozzles used M6 thread, same as MK8 MK7 UM2 CR10 etc. tools: spanner and multi-function screwdriver can help you adjustment 3D Printer and change extruder nozzle more easy Material: plastic+metalColor: as shownPackage Contents:20X Replacement nozzles (0.2mm 0.3mm 0.5mm 0.6mm 0.8mm 1.0mm X 2PCS) 0.4mm X 8PCS1 X wrench10 X cleaning needles with storage tube(Random Color Do not accept designation)1 X screwdriver with handleOnly 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.