1.75mm MK8 3D Printer Hardened Steel Nozzle Extruder Printing Head For Anet A8 A8+ Ender 3 3S Pro V2 CR10 3D Printer PartsProduct Description:Product Name: hardened steel Extrusion head nozzleMaterial: hardened steelModel: MK8Thread: M6Nozzle diameter: 0.2 / 0.3 / 0.4 / 0.5 / 0.6/0.8/1.0mmProduct weight: 3gPackage Including:1/2/5/10 pieces (0.2/0.3/0.4/0.5/0.6/0.8/1.0mm) x Extrusion head nozzleAttention mixed sizesMixed 5pcs=0.2+0.3+0.4+0.5+0.6Mixed 10pcs=0.2+0.3+0.4+0.4+0.4+0.4+0.5+0.6+0.8+1.0mmAbout the shipping way (please choose your best shipping way when you placed the order)1. Cainiao Super Economy Global -----this is the cheapest shipping way, but also has the long shipping time normally about 30-60days2.SaverShipping-------------this is the most compatiive shipping way, shipping time about 20-35days3. Standard Shipping--------this is the most safe and fast shipping way, shipping time about 15-25days