Amazon.com: Diamondback Nozzles – AnkerMake M5 and M5C Compatible – Polycrystalline Solid Diamond Tip 3D Printer Nozzles, Improved Extrusion, Any Filament, Long Life, Wear Resistant, USA Made (0.25mm) : Industrial & Scientific
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DiamondBack High Performance V6 Compatible Nozzle - 1.75mm x 0.25mm | MatterHackers
Snapklik.com : DUROZZLE Diamond PCD Tip 3D Printer Nozzles, Hardened High Precision For Prusa I3 MK3S / Mini, Anycubic I3 Mega/Kobra/Kobra Neo And More
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Amazon.com: Diamondback Nozzles – V6 Compatible – Polycrystalline Solid Diamond Tip 3D Printer Nozzles, Improved Extrusion, Any Filament, Long Life, Wear Resistant, Layer Adhesion, USA Made (1.75mm x 0.25mm) : Industrial & Scientific
DiamondBack High Performance M6 Volcano Nozzle Sampler - Pack of 3 | MatterHackers