Features: Quality material, highly temperature resistance, wear resistance, and corrosion resistant. The nozzle is smooth, effectively reducing resistance and avoiding problem such as uneven wire discharge and easy blockage. Adopts recised lathes machined, with inner hole tolerance of ±0.01 and inner wall roughness of ≤RA0.4, result in smooth discharge. The threaded hole is delicate, not easy to block, and prevents the overflows of melt consumables. Multiple size, 0.3mm, 0.4mm, and 0.6mm are available to meet different needs. Specifications: Material: Steel Carbon Type: 0.3mm, 0.4mm, 0.6mm(optional) Package Includes: 1x Printer Nozzle note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.