Features: Achieve efficient and stable 3D printing with the For MK4 24V 40W Heater Cartridge Thermometer line and Heating Block Kit. Crafted from good quality aluminum, this kit is durable and long lasting, ensuring a reliable performances for your 3D printer extruder. Designed specifically for enthusiasts, this kit provides a seamless and smooth printing experience. For MK4 24V 40W Heater Cartridge Thermometer line and Heating Block Kit offer a user friendly setups and easy installation, making it suitable for various DIY projects. Elevates your 3D printing capabilities with the For MK4 24V 40W Heater Cartridge Thermometer line and Heating Block Kit an essential accessory for your 3D printer. Specifications: Material: Aluminum Item：3D Printer Heater Cartridge Thermometer line For: MK4 Length：approx 14.5cm/5.71in Power: 24V 40W Types A/B/C Optional A: Heater Block B: Heating Rod C: Thermistor Package Includes: 1PC Printer Accessary note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.