Input diameter 1.75mm, out thread: M6. The 3D printer nozzles are made of brass material, sturdy and , connect with out thread, easy to install. Printer nozzles can prevent head from leakage effectively and produce consistent prints with smooth and glossy polish. Reduce the resistance from the corners and avoid blocking of the with rounded chamfer. Easy to identify with engraving the size on each nozzle. Not easy get rust or erosion, provide long serivice life. Features - Color: Assorted color. - Material: Brass. - Size: 1.3 x 0.6 x 0.6cm/ 0.51 x 0.24 x 0.24 inch. - Input diameter: 1.75mm. - Thread diameter: M6. - materials: the 3D printer nozzles are made of brass material, sturdy and , connect with out thread, easy to install. - Precision process: Make sure the input and output holes are and the interior of nozzle is smooth without burrs. Due to all of above, not only reduce the resistance, avoid blocking of the on the rounded chamfer, but also provide a , make out of more smoother. - Precise design: Printer nozzles can prevent head from leakage effectively and produce consistent prints with smooth and glossy polish. Reduce the resistance from the corners and avoid blocking of the with rounded chamfer. Easy to identify with engraving the size on each nozzle. - The outer surface is marked with a size, can easily identify the specifications of the nozzle. - Nozzle through long-term testing to solve the problem of plugging and missing materials to extent, low thermal conductivity, resistant to corrosion, high abrasion resistance. Package list: 22 x brass nozzle