S1 Heating Block Kit Hotend 24v 40w For Ender-3 S1 Cr-10 Pro 3d Printer With Ext Product name: S1 Genie Heating Block Kit Style:All metal Upgraded Print Head Compatible for 3d printer:Creality Ender-3 S1 CR-10 Smart Pro Printer Sprite Extruder Size of nozzles:0.4mm Voltage and Power:24V 40W A:Normal Temp 260 = Heating Block Kit-Standard (260℃) B:High Temp 300= Heating Block Kit-High Temperature (300℃) C:High Temp Pro 300= Heating Block Kit-High Temperature Pro (300℃) Material: Metal colour: Silver+Red / Silver Package Contents: 1 x Heating Block Kit Only the above package content, other products are not included. Note: Light reflection 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.