High temperature MK7 / MK8 / MK9 non-stick silicone socks compatible with multiple hotends to keep your heater block clean and well-insulated with this insulating (and finger-saving) blue sock.
The sock works on the cardridge-type heaterblock and makes sure you have a nice and clean nozzle. One sock lasts for at least 100 printing hours.
Compatible with the following printers: