1、ENHANCED MATERIAL: Made with a premium liquid silicone material that offers high rebound, high temperature resistance, and excellent wear resistance. Experience the advantages of accurate engineering. 2、GREAT FLEXIBILITY: This roller features a low hardness level and excellent flexibility, ensuring ease of use and preventing rust. Keep your surfaces clean and free from dust with confidence. 3、SILICONE CONSTRUCTION: The roller is made of premium silicone material that is safe, durable, and designed for long term use. Ensure efficiency and reliability in your dust removal process. 4、DURABLE AND WEAR RESISTANT: The roller's black aluminum frame with a plastic handle is built to withstand wear and tear. It features a combination of iron and rubber bearings, making it clean, environmentally friendly, and resistant to rust. 5、STATIC FUNCTION: This roller is equipped with a static feature that enables efficient removal of small impurities on the surface, such as hair, dander, dust, fibers, rubber powder, and copper powder. Maintain a clean and clear screen without any hassle. Item Type: Anti static roller Material: Silicone(main body), aluminium, plastic, iron, glue Color: Blue black Melting Point: 150°C Water Solubility: Insoluble Peeling Test: Rolling 60000 times without peeling Diameter: 28mm / 1.1in Ball Bearing Outer Diameter: 13mm / 0.5in Ball Bearing Inner Diameter: 6mm / 0.2in Viscosity: Extra high viscosity Viscosity Value: 900D Hardness(Shore hardness): 17° Applicable scenes: Clean room, kitchen staff hair cleaning, circuit board, PCB, LCD process, light guide, soft sheet accurate printing, SMT, electronic semiconductor and other industries need to clean surface. 1 x Roller