Specification:Material: aluminum + stainless steel + brass + rubberNozzle size: suitable for 0., 2mm 0., 4mm 0., 3mm 0., 5mm mk8 nozzleOperating temperature range: 40 ~ 260°C ( 40 ~ 500°F)Pipe length: approx., 30mm / 1., 18inAluminum block size: approx., 20 * 20 * 10mm / 0., 79 * 0., 79 * 0., 39inThermistor and heater cable length: 1m / 3., 28ftPackage weight: approx. Suitable for cr10/10s/s4/s5., MK8 extruder hot end kit for 3D CR 10 / CR 10S, red wire is temperature thermistor, black wire is heating tube, 12V 40W, nozzle, aluminum heating block, pipe (built in Professional 3d printed 3d printer Heating Rod Heat Block Replacement Kit for Cr Hot End Silicone Sock for E3d V6 V5 Volcano PT100 J-head Hotend Extruder MK8 Ender 3 S1 Heated... Nozzle tip, aluminum heating block, pipe (built-in Teflon). Suitable for cr10/10s/s4/s5. MK8 extruder hot end kit for Creality 3D CR-10 / CR-10S, red wire is temperature thermistor, black wire is heating tube, 12V 40W, nozzle, aluminum heating block, pipe (built-in Teflon). Thermistor and heater cable length 268 gPackage list:1 * Extruder Kit 3D Printer Replacement Hotend 3d Printer Enclosure 10pc 0.4mm MK8 Extruder 3D Printer Nozzle Fit For Creality CR-10 Ender 3 Anet A8 3d Printers Ender 3 Hot End Nozzle tip, aluminum heating block, pipe (built in