Replacement Parts: These parts can replace the old or damaged part of 3D printers. Thermistor: The set comes with Thermistor: The built-in NTC100K thermistor size 3x5mm/0.12x0.2inch terminal XH2.54 2 pin male header with terminal cable length 70mm/2.76inch. Heating Rod: Set comes with 1Pc x Heating Rod: 24V, 64W, size 6x20mm/0.24x0.79 inch, VH3.96 terminal, 2PIN, male shell, cable length with terminal 50mm/1.97inch. Material: 3D printer accessories, made of metal, brass and silicone materials, durable and solid. Nozzles: 9 nozzles together: 0.4mm, 0.3mm, 0.6mm, 0, 8mm, 1.0mm, 1.2mm 3D printer, different size, satisfy all your needs. Features: Material: 3D printer accessories, metal, brass and materials made of silicone, durable and strong. Nozzles: set of 9 nozzles: 0.4mm, 0.3mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm for 3D printer, different size, satisfy everyone needs. Spare parts: These parts can replace the old or damaged part of 3D printers. Durable: Must-have accessories for r upgrade arm, more durable. Thermistor: The set comes with a thermistor: Built-in NTC100K thermistor size 3x5mm/0.12x0.2inch terminal XH2.54 2-pin male header with terminal cable length 70mm/2.76inch. Heater: The set comes with 1Pc x Heating rod: 24V, 64W, size 6x20mm/0.24 x 0.79inch, terminal VH3.96, 2PIN, male shell, cable length with terminal 50mm/1.97inch. Specifications: Item Type: Extruder Assembly Material: Metal, Brass, Silicone Color: As Shown Nozzle Size 3D printer size: about 4 pieces x 0.4mm/0.02in, 0.3mm/0.01in, 0.6mm/0.02in, 0.8mm/0.03in, 1.0mm/0.04inch, 1.2mm/0.05inch Package size: about 8 x 12 x 12cm/3.15 x 4.72 x 4.72inch Package includes: 1 x Extruder Set Notes: Transition: 1cm=10mm=0.39inch 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. To thank 2. Please allow 1-3cm measuring deviation due to manual measurement.