Per Prusa i3 MK4 Hotend Kit Stampante 3D Parte Ugello Blocco Riscaldamento Manicotto Silicone
Applicable models: Prusa MK4. use for Prusa MK4 kit. 1 1set Prusa MK4 kit（not use for MK4 XL kit ）. Note:it is not suitable for MK4 XL kit. Material: copper titanium alloy+silicone sleeve.