Feature:1. Efficient Cleaning: This roller can quickly remove tiny dust particles with high elasticity, quickly remove tiny particles such as dust and dirt on computer screen, phone film and glass .2. Long Lasting: Not easy to wear, easy to use, high viscosity, wheels can rotate freely, and it is not easy to lose bread crumbs, and meets your various needs.3. Silicone Material: The use of liquid silicone material, high resilience, high temperature proof, wear proof characteristics of additive moulding characteristics.4. Handle Design: Wear proof and sturdy aluminum frame plastic handle, iron bearing, rubber bearing, environmental, not easily rusted.5. Easy 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.Specification:Item Type: Silicone Roller for DirtRoller Material: SiliconeMelting Point: 150 cWater Soluble: insolublePeelingTest: Roll 60,000 times without peelingSize: Outer Diameter 32mm/1.26in, Bearing Outer Diameter 15mm/0.59in, Inner Diameter 6mm/0.24inRoll Surface Hardness Parameters:Viscosity Type: Medium viscosityViscosity Value: 410DHardness (Shore): 32Applicable Scenarios: Dust free workshop, kitchen staff hair cleaning, circuit board, PCB, LCD process, light guide sheet, SMT, clean room, electronic semiconductor and other industries when producing products, surface treatment required cleaning tools..Package List:1 xSilicone Manual RollerNote:1. 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.