Features: 100% 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, low thermal conductivity, resistant to corrosion, high abrasion resistance. compatible with all 1.75mm PLA ABS 3D printer. Fit exactly like the original. Made of superior quality steel, passed though overall hardening treatment. It is processed by high-quality thermoforming, and it is super wear-resistant and heat-resistant with high temperature carburizing and hardening. Made of h59 international brass materialthe, interior of nozzle is smooth without burrs Package Includes: 1 PC x Nozzle Specifications: Product Name: High Temperature Resistant Electroplating Nickel Nozzle Product Surface: Electroless Nickel Plating On The Outer Layer (the Function Is To Withstand High Temperature Of 300-350 Degrees) Product Material: h59 International Brass Material Product Diameter: 0.2/ 0.3/ 0.4/ 0.5/ 0.6/ 0.8/ 1.0/ 1.2mm (Optional) Product Weight: About 2.3g Thread:M6 Length approx: 12.58mm/0.5in 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.