4 Pcs 3D Printer Socks Compatible MK7 MK8 MK9 Makerbot Heater Block, AFUNTA High Temperature Resistance Silicone Protection Case for 3D Printer Extruder – 3 Coffee & 1 Pink

• KINDLY TIPS: The silicone socks just fit for 0.78"/20mm x 0.78"/ 20mm x 0.39"/ 10mm heater block, 4 pieces silicone cover for MK7/MK8/MK9 Makerbot heater block.
• USAGE: It will keep your heater block clean and free from burnt and blackened plastic. They don't just keep the block clean, but also keep heat inside the hotend and off your print.
• Helps to keep the hotend temperature extremely stable, particularly if you use high-airflow cooling around the nozzle to cool the print.
• Material: Made of non-stick silicone material, the heater block silicone cover features non-stick.
• Heat resistance: high up to 280℃.

Specification: Professional for 3D printer extruder. Compatibility: MK7, MK8, MK9 Makerbot heater block Material: Silicone Color: coffee, pink Item Weight: 2g Item Size: 22 x 22 x 13mm/ 0.78in * 0.78in * 0.51in (approx.) Package List: 3 x Silicone Covers (Coffee) 1 x Silicone Cover (Pink)