Copper Nozzle MK7 / MK8 0.4 mm

From the shop's description

Copper Nozzle MK7 / MK8 0.4 mm is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. Wide Compatibility: MK8 nozzles with 1.75mm input diameter and M6 screw thread, compatible with Creality CR-10 CR-10S S4 S5,Ender 3,MK8 makerbot,Anet A8,Prusa i3,Tevo Tarantula, Duplicator,Geeetech A30, Snapmaker, Reprap, tornado, compatible with all 1.75mm PLA ABS 3D printer. Dimension: Input diameter 1.75mm; output diameter 0.4mm out thread: M6. Premium Material: Made of high quality sturdy and durable brass, suitable for most non-abrasive materials such as PLA, ABS, PETG, Nylon, TPE, TPU, PC, etc. Sturdy and durable, connect with M6 out thread, easy to install. Precise Design: 3D printer nozzles can prevent print head from leakage effectively and produce consistent prints with smooth and glossy polish.Reduce the resistance from the corners and avoid blocking of the filament with rounded chamfer.Easy to identify with engraving the size on each nozzle. It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.