Feature 1Tight joints and flat contact surface solve the leakage problem of consumables. 2These printer nozzles can reduce chamfering, resistance, cold cutting corner resistance, and discharge more smoothly. 3After overall hardening treatment, these nozzles possess hightemperature resistance, corrosion resistance, smooth wire feeding. 4The appearance is clearly engraved for easy identification, which can ensure stable work. 5Made of high-quality hardened steel, these nozzles are durable and sturdy with 50 degree hardness.SpecificationItem Type: 3D Printer NozzlesModel: TT3DMaterial: Hardened SteelQuantity: 3pcsFilament: Approx. 1.75mm / 0.07inHardness: 50 Degrees (Surface Hardness Is 55-60 Degrees)Purpose: 3D Printer .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List3 x Nozzles