Feature: 1. APPLICABLE AND COMPATIBLE: Nozzles are suitable for 3D printers for Makerbot CR‑10, MK8 for Makerbot Reprap for Prusa I3, compatible with all 1.75mm PLA ABS 3D printers. Exactly like the original 2. ACCURATE DESIGN: Diamond knife cutting, more smooth contact surface, greatly reduce nozzle leakage risk, avoid nozzle blockage 3. FINE MACHINING: The centering CNC accurate automatic lathe and one molding technology is used to make sure that the input and output holes are concentric and the nozzle is smooth without burr 4. DURABLE AND SMOOTH: Not only reduce the resistance, avoid the consumables stuck on the nozzle, but also effectively ensure the service life of the nozzle, the discharge of materials more smoothly 5. COMPLETE SIZE FOR DIFFERENT MODELS: Brass nozzle contain 0.2, 0.3, 0.5, 0.6, 0.8, 1.0mm( 2pcs of each), 8pcs 0.4mm. Stainless steel nozzle contain 0.2, 0.3, 0.5, 0.6, 0.8, 1.0mm( 2pcs of each), 8pcs 0.4mm. Cleaning needles contain 0.25, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.5, 1.0, 0.6, 0.8mm(1pc of each) Specification: Item Type: 3D Printer Nozzle Nozzle Material: Brass, stainless steel material Cleaning Needle: Length: Approx. 70mm / 2.76in Hex Wrench: Length: Approx. 66mm / 2.6in, Thickness: Approx. 1.5mm / 0.06in. Package List: 40 x Nozzle10 x Cleaning Needle1 x Open Wrench1 x Needle1 x Storage Box