ITEM NAME:MK10 Heated aluminum block silicone protective sleeve H8O8 MK10 Heated aluminum block silicone protective sleeve H8O8 Silicone cover for Wanhao i3 QIDI TECH Flashforge. These cases will keep your nozzle clean and free of burnt on blackened plastic. These also offer a huge boost in temperature stability, particularly if you use high airflow cooling around the nozzle to cool the print. Made of a heat-resistant, non-stick silicone material, rather than molten plastic. This really helps with sticky materials like Co-Polyesters and filled materials that like to build up on nozzles. Item Type: Heated Block Silicone cover Model Number: Silicone cover for MK10 block Color: Brown Material: silicone Size: 19x19x13mm anti-high tempature for PLA/ABS 3D printing Included: 1 x MK10 Silicone cover Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Model Number: Silicone cover for MK10 block. 1 x MK10 Silicone cover. Item Type: Heated Block Silicone cover. Silicone cover for Wanhao i3 QIDI TECH Flashforge. Made of a heat-resistant, non-stick silicone material, rather than molten plastic.