Feature: 1. FAST ASSEMBLE AND DISASSEMBLE: Nozzle and heat insulation device adopt all metal integrated design, easy for you to disassemble and replace quickly 2. SUITABLE FOR A VARIETY OF CONSUMABLES: For pipes are insulated in Ti alloy to reduce heat transfer, and the nozzles are composed of copper alloy and hardened steel to support various consumables such as PLA, ABS, PETG, TPU, PP, PC, PLA-CF, PA-CF and PET-CF 3. HIGH FLOWRATE, HIGH SPEED PRINTING: The quick swap nozzle kit has a larger nozzle cavity, with a maximum flowrate of up to 30 mm³/s, and supports high speed printing of 600mm/s 4. STRONG MATERIAL: The nozzles are made of hardened steel(SKD11) material with a Mohs hardness of 7.8, possess good thermal conductivity, prevent wear and high temperature 5. APPLICABLE MODEL: Bimetal quick swap nozzles are compatible with for for K1C, for K1 MAXimum, for Ender 3V3 3D printer, you can use with confidence Specification: Item Type: Quick Swap Nozzle Kit Size: M6 x approx. 65.4mm / 2.57in Wire Output Diameter: 0.2MM Material: Hardened steel, CuCrZr, Ti alloy . Package List: 2 x Nozzle 2 x Storage Box