Feature:1. UPGRADED BIMETAL HEAT SHIELD: Bimetal heat heatbreak has two components, with different thermal conductivity, and are firmly fixed together using a special process2. WORKING PRINCIPLE: The pipe is composed of two parts, copper and Ti alloy, Ti alloy reduce the heating position, heat conduction upward, copper for heat dissipation to accelerate heat conduction3. HEAT INSULATION ADVANTAGES: All metal heat insulation and high temperature filament match well. No PTFE wear or burning, high temperature resistance up to 4204. SUPERIOR PERFORMANCE: Common bimetal heat resistance torsion is less than 5kg, the inner hole finish is poor, the connection part is fixed by glue, easy to fall off, affecting printing. This hotend heatbreak is machined with an accurate for Swiss style five axes machine tool and is made from an accurate stamping mechanism. Inner hole finish 0.3, torsion is more than 10kg5. EASY INSTALLATION: This throat can direct replacement for your V5 hotend, more convenient for disassemblySpecification:Item Type: Bimetal Throat NozzleMaterial: Ti alloy and copperFor: 1.75mm filament.Package List:1 x Bimetal Throat Nozzle