?Value Pack?5 Pcs Aluminum Heater Blocks, 10Pcs 3mm thick 3D printer heating block cottons.
?Aluminum Heating Block?M6 heating block: 20 * 20 * 10mm, Inner hole for set screw: M6 and M3 (heat pipe and thermocouple).
?Heating Block Cotton?Size:20 * 70 * 3mm. Resistance to thermal shock, low thermal conductivity and thermal capacity,saving power and energy. Better printing effect with this 3d printer heat insulation cotton.
?Perfect Compatibility?These heating aluminum blocks are suitable for MK7 MK8 Makerbot 3D Printer structure, works with extruder nozzle throat & heat-insulated cotton.
?Note?The thermal insulation cotton does not have the pre-punched holes, you can cut to the appropriate size and punch holes on the cotton according to your need.