1、☞ This Sprite Extruder Heater Block Kit is compatible with Creality Ender-3 S1 /CR-10 Smart Pro 3D Printer. 2、☞ High temperature printing under 300℃, titanium alloy can reduce the heat conduction upward, and chrome copper has better overall performance with the feature of speeding up heating dissipation. 3、☞ Capable of sustained operation at 300℃, compatible with high temperature filaments like ABS and nylon, enabling greater creative possibilities! Rapid heating facilitates faster printing speeds! 4、☞ What You Get: 1 x 24V40W red heating rod, 1 x Normal temperature Thermistors, 1 x Aluminum heating block. 1 x Titanium Alloy Red Copper Bimetallic Throat, 1 x Copper-plated Nozzle, 1 x Black Silicone Case and 3Pcs screws. 5、☞ Smooth feeding without leakage. 45° chamfering design at the rear end thread, smooth feeding, flat and smooth nozzle section, highly matched butt joint.