Nozzle and throat are integrated, quickly disassembled and easily replaced. You are free to try nozzle sizes that may not have been used before Set the ultra-fine or ultra-thick extrusion width for your 3D printer immediately. Print large objects or small objects with high resolution in a shorter time Identify the nozzle size at a glance with the help of color-coded silicone sleeve. Complete , smooth and shiny appearance, no burr and clear lettering, so that you have a good identification Heat up quickly and efficiently. brass technology, good thermal conductivity, high hardness and fast heat dissipation. The inner wall of the nozzle is smooth, burr-free, and the viscosity coefficient is small, which makes the wire output smoother Each Nozzle is a preassembled nozzle and Heat Break in one unit, so there is no hazardous hot tightening and no chance of incorrect assembly Product Name:Integrated Brass Nozzle Product Material:Brass Color: gold Input Diameter:1.75mm size: 0.4mm Package Contents: 1 x Nozzle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.