Copper-titanium alloy all-metal throat, suitable for printing with high-temperature consumables High-quality CNC heating block, good thermal conductivity and high precision High-quality brass nozzle, high roundness of extrusion hole, precise size, inner wall, high precision It is equipped with heating rod and temperature measuring line, which is more complete. Mk3s+ extruder kit*1 Weight: 90g Applicable models: MK3, MK3S, MK3S+, other machines with V6 remote extrusion head kit colour:Random Color Note: Random color, 't accept the specified color. Material:plastic Package Contents: 1 x MK3S Parts 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.