Comprehensive Upgrade Kit: Enhance your 3D printing experience with our meticulously designed upgrade kit, featuring high-quality KJH04-M6 and PC4-01 pneumatic connectors paired with a 1M PTFE tube measuring 2x4MM. This kit is specifically tailored for 1.75mm Bowden extruders, ensuring a seamless fit and optimal performance. Enhanced Durability and Performance: Our connectors and tubes are crafted from premium materials that withstand high usage demands, providing a reliable and long-lasting upgrade to your 3D printer's extrusion system. Easy Installation: The kit includes everything you need for a hassle-free installation, allowing you to upgrade your printer quickly and efficiently without the need for professional help. Colour:black Material:PTFE The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 * PTFE Cable 1 * PC4-01 Fittings 1 * KJH04-M6 Fittings Only the above package content, other products are not included. Note: Light reflection 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.