Features: Brand new and high quality Silicone socks are made from high-quality silicone and can withstand the high temperature of 300℃. Keep the heater block and nozzle clean. The removable nozzle silicone sleeve can be replaced easily, save-time Made from high-quality silicone materials, exquisite workmanship, very good quality and long service life. Small in size and light in weight, which is very convenient to carry around. Specifications: Material:Silicone Color:Black Type:1Pcs/4Pcs Package Includes: 2 Optional Package: Package 1 Include:1x Silicone Sleeve Package 2 Include:4x Silicone Sleeve note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.