Precise Design-3d printer nozzles can prevent print 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. Applicability and Compatibility-Extruder nozzles fit for 3D Printer -10, MK8 Reprap Prusa I3, compatible with all 1.75mm PLA ABS 3D printer. Premium Quality-Nozzles are made of high quality Metal. Heavy duty and provide a long service life.Easy to install and change. Excellent Cleaning Needles-The nozzle cleaning needles are very flexible and robust, easy to bend the needle into nozzle and will not break. Perfect to handle tough extruder hot end nozzle clogs. Material:Metal colour:Photo Color Package Contents: 10 * nozzle 5 * cleaning needle with packaging barrel 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.