Premium Quality: MK8 nozzles are made of high-quality hardened steel, stainless steel, and brass. They are robust and offer a long service life. Easy to install and replace. Package Contents: Printer nozzles come with 25 MK8 nozzles in 7 sizes (quantity x output diameter): 3 x 0.2mm, 3 x 0.3mm, 7 x 0.4mm, 3 x 0.5mm, 3 x 0.6mm, 3 x 0.8mm, 3 x 1.0mm, with 10 cleaning needles. Applicability and Compatibility - MK8 extruder nozzles are suitable for Ender-3, MK8 Reprap Prusa I3 3D printers, compatible with all 1.75mm PLA ABS 3D printers. Fits precisely like the original. Parameters: Input diameter 1.75mm; Output diameter 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm; Screw thread: M6; Hex diameter: 6mm. Cleaning needle size: 0.15/0.2/0.25/0.3/0.35/0.4/0.5/0.6/0.8/1.0mm Excellent Cleaning Needles - The cleaning needles are very flexible and robust, easy to bend the needle into the nozzle without breaking. Perfect for handling extruder nozzles. Material: Steel + Brass Color: Gold + Silver + Black Package Contents: 25 x MK8 Nozzles 10 x Cleaning Needles Only the above package contents are included; other products are not. Note: Light photography and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.