Feature 1ENHANCED 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. 2GREAT 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. 3SILICONE 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. 4DURABLE 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. 5STATIC 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 rollerMaterial: Silicone(main body), aluminium, plastic, iron, glueColor: Blue blackMelting Point: 150CWater Solubility: InsolublePeeling Test: Rolling 60000 times without peelingDiameter: 28mm / 1.1inBall Bearing Outer Diameter: 13mm / 0.5inBall Bearing Inner Diameter: 6mm / 0.2inViscosity: Extra high viscosityViscosity Value: 900DHardness(Shore hardness): 17Applicable 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. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x RollerNote1. Can only remove tiny dust particles(not anti static).2. After use: Please use in the sticky paper to roll back and forth several times to keep the surface of the sticky dust roller clean.