Brass Nozzle - The outer surface is marked with output diameter for easily recognized. Made of premium quality material. Can be effectively prevent the hot filament leakage. Tweezer & Cleaning Needles - Different colors of silicone grip gaskets correspond to different nozzles. With a handle, you can twist the drill when using. Perfect to help you solve the nozzle printhead plugging problem. Compatibility for CR-10 Ender Screw Thread: M6 Different colors of silicone grip gaskets correspond to different nozzles. Container: Free plastic box, convenient for collecting the cleaning kit. Input Diameter: 1.75mm size:Output Diameter: 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.8 mm, 1.0 mm Material:Copper + Tungsten Steel + White Steel colour:Golden + Silver Package Contents: 24 x MK8 Extruder Nozzles in 7 sizes (2 x 0.2mm, 2 x 0.3mm, 12 x 0.4mm, 2 x 0.5mm, 2 x 0.6mm, 2 x 0.8mm, 2 x 1.0mm) 10 x Cleaning Needles in 7 sizes (1 x 0.2mm, 1 x 0.3mm, 4 x 0.4mm, 1 x 0.5mm, 1 x 0.6mm, 1 x 0.8mm, 1 x 1.0mm) 1 x Tweezer Only the above package content, other products are not included. Note: Light 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.