The Micro Swiss FlowTechT Silicone Socks are designed for maintaining optimal heat retention while keeping your heater block clean. This pack contains 3 high temperature non-stick silicone socks suitable for the FlowTechT hotend, specifically engineered for Bambu Lab X1 and P1 printers. These durable silicone socks provide a perfect fit, helping you achieve consistent print results by retaining heat effectively and keeping your heater block residue-free.