Features This product is made of high quality materials, stable, resistant to vibration and high temperatures. Small size, easy to carry and store, convenient to use and with good performance. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Silicone hot bed leveling column, easy to install and remove. Compared with solid plastic, hot bed silica gel leveling column helps reduce vibration. Specification: Item Type: Silicone Hot Bed Leveling Column Material: Silicone Height: approx. 16 mm/0.6 inch Size: approx. 8 mm/0.3 inch 3.5mm/0.1inch 16 mm/0.6 inch 4 mm/0.2 inch Package List: 12 Silicone Leveling Columns for Hot Bed Package List 12 x Silicone Hot Bed Leveling Column