Priline wood filament has wood powder in it Size: 1.75mm (Tolerance Level: ± 0.03mm) - Spool Diameter: 7.87" - Spool Width: 2.83" - Spool Hub Hole Diameter: 2.20" Recommended Printing Temp/Nozzle Temperature: 200-230°C (392-446°F), Base Plate Temperature: 0-50°C(32-122°F) No more durable nozzle need.But wood filament requires a.6 or larger nozzle to avoid clogging Refund Guarantee in 30 Days: We trust our products. If you aren't happy with our 3D printer filament, tell us and We will arrange a refund for you