General description This 2 Packs 3D Printer Hotend Kit is designed for S1, Combo, and Pro 3D printers, offering high compatibility and optimal performance for your printing needs. Technical specifications Temperature resistance: up to 320°C Printing speed: up to 600 mm/s Filament diameter: 1.75mm Layer thickness accuracy: ±0.02mm Bed temperature handling: up to 120°C Package contents: 2 sets of 0.4mm brass hotend kits, 2 extra silicone covers, 2 additional 0.4mm brass nozzles Material: Metal + Silicone Compatibility and accessories Compatible with 1.75mm PLA, ABS, PETG, TPU, and wood filaments Installation Pre-assembled for easy installation Recalibrate the hot bed post-installation for best results Ensure all parts are tightened before use to avoid loosening during transport Usage Ideal for high-temperature materials like ABS and ASA Other information Color: As shown Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from