Features: brand new and high quality The extruder nozzles are through long-term testing to solve the problem of plugging and missing materials to the greatest extent. for all 1.75mm PLA ABS 3D printer. Fit exactly like the original. Made of superior quality brass passed though overall hardening treatment. It is processed by high-quality thermoforming, and it is super wear-resistant and heat-resistant The interior of nozzle is smooth without burrs Low thermal conductivity, resistant to corrosion, high abrasion resistance. Specifications: Product Name: V6 3D Printer Nozzle Product Material: Chrome Zirconium Copper / Brass (Optional) Product Diameter:0.25mm 0.4mm 0.6mm 0.8mm (Optional) Product Weight: About 5g Thread:M6 Quantity1PC Package Includes: 1 PC x Nozzle note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.