Feature 1Efficient Cleaning: With electrostatic function, the roller can better clean the surface of fine impurities such as hair, dander, dust, fibers, rubber powder and copper powder. 2Silicone Material: The use of liquid silicone material, high resilience, high temperature resistance, wear resistance characteristics of additive molding characteristics. 3Handle Design: Wear resistant and durable black aluminum frame plastic handle, iron bearing, rubber bearing, non toxic, environmental protection, not easy to rust. 4Practical in Use: Obtain the best performance and clarity of your phone screen, helps maintain optimal visibility and prolong the lifespan of your electronic devices. 5Easy To Use: Simply roll it over the surface and watch as it instantly picks up all unwanted dust, leaving you with a spotless display every time.Item Type:DustRemovalRoller .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; }Material:Silicone, aluminum, plastic, iron, glueRoller Material: SiliconeMelting Point: 150CWater Soluble: InsolublePeeling Test: Roll 60,000 times without peelingInside Outside Diameter: 28mm/1.10in Bearing outer diameter 13mm/0.51in inner diameter 6mm/0.24inViscosity Type: Medium viscosityViscosity Value: 410DHardness (Shore): 32Application: For dust free workshop, kitchen staff hair cleaning, circuit board, PCB, LCD process, light guide sheet, soft film precision printing, SMT, clean room, electronic semiconductor and other industries when producing products, surface treatment required cleaning tools.Package List1 x DustRemovalRollerNote1. Only fine dust particles can be removed (not anti static).2. After use, please roll back and forth on the sticky paper several times to keep the surface of the sticky roller clean.