The 3d printer heat block is convenient and practical, with great texture, and can be used for a long time without being easily damaged. The craftsmanship can serve you well without breaking easily. This extruder heat block is a very practical accessory for your needs. Features -Color:Multi -Material:Aluminum, silicone -Size: 1.90X1.90X0.90cm/0.75X0.75X0.35in -Crafted from aluminum and silicone material, this 3d printer heat block kit is and . -By enhancing printer performance and improving printing accuracy, this heater block accessory is a must-have for any 3d printing enthusiast. -Installation and maintenance are a breeze, making it easy to keep your printer running smoothly. -With its heat insulation properties, this silicone sleeve helps prevent clogs and ensures optimal printing results. -Tough, firm, can be used repeatedly, very practical and sturdy, very decorative and chic. Package list: 3 x heating blocks 3 x sleeves 3 x hoses