Features: Achieve optimal printing results with these hightemperature silicone cover socks! Crafted from durable silicone material, these socks provide reliable insulation for your printers extruder hotend parts. Designed for 3D printing enthusiasts and professionals, these cover socks are a must have accessory. Whether you're working on intricate designs or large scale projects, these cover socks offer excellent heat retention for consistent printing performances. Upgrades your printing experience with these sleek and easy to install cover socks, designed specifically for your printer. Specifications: Product Name: Heating Block Silicone Cover For Neptune4 4Pro Nozzle Heat Block Cover Product Size: As Pictures Material: Silicone Quantity: 1PC/3PCS/5PCS Package Includes: 1 PC Silicone Cover 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.