Sufficient quantity: You will receive 36 3D printer nozzle cleaning kits. The abundant quantity can meet your different needs when using it.Reliable materials: 3D nozzles are made of high-quality hardened steel, stainless steel, and brass, which are strong and flexible, not easy to break and rust; hardened steel has the characteristics of good hardness and good toughness, and brass can be applied to non-abrasive materials such as printed ABS; they have Good wear resistance, heat resistance and corrosion resistance, suitable compatible with high temperature 3D printingSuitable size: The output diameter of the 3D printer nozzle is 0.4mm; the inner wall of the MK8 nozzle is smooth and free of burrs, and the viscosity coefficient is small, providing you with a smooth extrusion printer accessories cleaningCleaning tools: 10 flexible stainless steel needles with a diameter of 0.4mm can be used to clean hard-to-reach areas such as clogged nozzles at the hot end of the 3D printer extruder; wrenches make nozzle adjustment and replacement easier, avoiding damage to the heating block and pulling fragile wires ; Non-magnetic tweezers are suitable compatible with nozzle maintenance and cleaning excess support materialsWide range of applications: 3D printer nozzle has good toughness and hardness, not only suitable compatible with ordinary 1.75mm 3D printer consumables, but also compatible with printing carbon fiber, glass fiber and other consumables; easy to install and changeMaterial:Hardened steel + stainless steel + brasscolour:Black + GoldenPackage Contents:3 x 0.4mm hardened steel nozzle3 x 0.4mm stainless steel nozzle18 x 0.4mm brass nozzle1 x black tweezers1 x wrench10 x Nozzle cleaning needle (with storage cartridge (the cartridge cover is in the picture color))Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.