Features: MK10 nozzle and maintenance kit is equipped with 0.2/0.4/0.6/0.8/1.0mm brass nozzle, 5pcs for each size. 21mm opening stamping wrench required for nozzle replacement; 0.2/0.3/0.4/0.6/0.8mm five diameter nozzles for easy maintenance. Comes with a transparent plastic box to store these accessories, convenient to use. The needles are made of stainless steel material, and the handle copper wire is wound by the automatic handle winding machine. Fine workmanship, the handle and the needle body are not easy to separate and fall off. Compatible with FlashForge Creator Pro, Creator X, Dreamer, Finder, Inventor, Dremel Idea Builder, Powerspec 3d Pro, Powerspec 3d X, Wanhao Duplicator 4S, Wanhao Duplicator 4x, Wanhao I3, Monoprice MakER select plus, qidi tech, cocoon create and so on. Specifications: MK10 Brass Nozzle- Nozzle Material: Brass Thread: M7 Inner Diameter: 4mm Size: 10*9*13m Nozzle Size: 0.2/0.4/0.6/0.8/1.0mm Needles- Material: Stainless Steel Needle Diameter: 0.2/0.3/0.4/0.6/0.8mm Opening 21mm Wrench- Color: Silver Material: Rebar Package Size: 12.8 * 6.8 * 2.0cm / 5.0 * 2.7 * 0.8in Package Weight: 186g / 6.6oz Packing List: 5 * 0.2mm Nozzle 5 * 0.4mm Nozzle 5 * 0.6mm Nozzle 5 * 0.8mm Nozzle 5 * 1.0mm Nozzle 2 * 0.2mm Diameter Needle 2 * 0.3mm Diameter Needle 2 * 0.4mm Diameter Needle 2 * 0.6mm Diameter Needle 2 * 0.8mm Diameter Needle 1 * Opening 21mm Wrench 1 * Storage Box