Features: Enhanced heat break structure with added step limit to prevent material leakage and shedding. Upgraded chrome-zirconium copper nickel-plated heating block for high-temperature resistance and fast heat conduction. Nozzle crafted from hardened steel SKD11, treated for increased wear resistance at temperatures above 550°C, enhancing durability. Threaded connection between heating block and heatbreak ensures stability and easy replacement, reducing maintenance costs. Low roughness (Ra0.4) interior walls of throat and nozzle to minimize blockages and improve print quality. Upgraded connection between the heat break and radiator with two hexagon socket screws for stability and ease of replacement. Compatible with Bambu Lab X1C/P1P 3D Printers and supports a variety of printing materials including PLA, ABS, PETG, TPU, PP, PC, and Nylon. Specification: Compatible with: Bambu Lab X1C/P1P Accessories Product Weight: 43.7g Radiator Material: Processed Aluminum Alloy Pipe Material Process: Chromium Coated Copper Alloy Heating Block Material Process: Chrome-Plated Copper Nickel Nozzle Material Process: Hardened Steel SKD11, withstands up to 550°C Pipe Wall Thickness: 0.25mm Pipe Insulation Distance: 1.2mm Pipe Inner Wall Roughness: Ra0.4 Standard Nozzle Diameter: 0.4mm Package Size: 9.5x5.3x3cm/3.7x2x1.1in Package Weight: 44g/1.5oz Packing List: 1 x Radiator 1 x 0.4mm Hardened Steel Nozzle 2 x Hexagon Socket Screws 4 x Replaceable Throat 1 x Fixing Clip 1 x Silicone Sock 1 x Thermally Conductive Silica Gel 1 x Hexagon Wrench 1 x Wrench 1 x Thermistor 1 x Ceramic Heating Plate