Item Descriptions:-[Compatibility] Compatible with E3D V6 PT100 3D printers heating block.-[Material] Made of silicone material, which provides excellent heat resistance for efficient 3D printing.-[Size] The size of the sleeve is 26mmx19mmx14.5mm, which is precisely designed to fit snugly on the PT100 heating block, preventing heat loss and stabilizing the printing temperature.-[Assorted colors] Available in black, adding a touch of style to your printer setup.-[Easy to install] Easily slide the silicone sleeve onto the heating block for extra protection and easy maintenance to prolong printer performance.Package:5pcs Black Silicone SleevesItem Specifications:Material:SiliconeSize:26mmx19mmx14.5mmColors:Black