Feature:1. SILICONE ROLLER: The roller is made of excellent silicone, which has high resilience, high temperature resistance, and good wear resistance.2. MULTIPLE USAGES: This manual roller carries static electricity and can clean small impurities such as hair, dander, dust, fibers, rubber powder, etc.3. GOOD PERFORMANCE: This silicone manual roller has low hardness, good softness, and will not damage items during use, making it safe and durable.4. METAL HANDLE: The dust remover roller adopts an aluminum alloy handle, non slip and wear resistant, the iron bearing is sturdy and durable.5. APPLICABLE SCENE: Widely used for cleaning in dust free workshop, home kitchen, circuit board maintenance, electronic semiconductor production, etc.Specification:Item Type: Manual RollerRoller Material: SiliconeHandle Material: Aluminum AlloyBearing Material: Iron, PlasticMelting Point: 150°CWater Solubility: InsolublePeeling Test: Rolling 60000 times without peelingRoller Diameter: Approx. 28mm / 1.1inBearing Outer Diameter: Approx. 13mm / 0.5inBearing Inner Diameter: Approx. 6mm / 0.24inRoll Surface Hardness Parameter: Viscosity Type: Low ViscosityViscosity Value: 310DHardness (Shore Hardness): 32 DegreeApplicable Scene: Clean hair for workers in dust free workshops and kitchens, cleaning tools for circuit boards, PCBs, LCD processes, light guides, precise printing of soft films, SMT, dust free rooms, electronic semiconductors, and other industries when producing products..Package List:1 x Manual RollerNote:1. Only small dust particles can be removed (not anti static).2. After use, please roll back and forth several times on the sticky paper to keep the surface of the sticky roller clean.