2pcs 3D Printer Hotend Heater Block Professional Aluminum Heater Block for Prusa I3 MK4 for

Feature: 1. PROFESSIONAL DESIGN: Essential spare parts for MK4 hotend original repair parts, specially designed for the aluminum block of the hotend assembly of printers for Nextruder. 2. PREMIUM MATERIAL: 3D printer hotend heater block is made of premium aluminum, high temperature resistance, high accuracy, stable performance and long service life. 3. EASY TO USE: For nextruder heater block is easy to complete with heating elements, temperature sensors, nozzle adapter heat insulators and steel nozzles 0.4 for direct installation. 4. ENHANCED PERFORMANCE: Provide precise and premium aluminum 3d printer hotend heater block, improve printing performance, practical printer accessories. 5. FINE WORKMANSHIP: 3D printer hotend heater block is made of fine workmanship, with fine polished surface and slick sanding to improve rust and erosion resistance, long service life. Specification: Item Type: 3D Printer Hotend Heater Block Material: Aluminum Application: for Prusa i3 MK4 for Nextruder. Package List: 2 x 3D Printer Hotend Heater Block