Feature:1. Cleaning Effect: Electrostatic design for better cleaning of fine surface impurities such as hair, dander, dust, fibers, rubber powder and copper powder.2. Low Viscosity: Roller will not leave adhesive chips or sticky substances on the screen surface, avoiding damage to the screen or leaving residues.3. Tough Silicone : Highly resilient, high temperature resistant and wear resistant liquid silicone material, safe and durable, and can be used for a long time.4. Durable Structure: Wear resistant and durable black aluminum frame plastic handle, iron and rubber bearings, environmental protection, not easy to rust.5. Practical Tool: Users can use the roller for surface cleaning or cell phone screen lamination at any time, whether at home, office or on the go.Specification:Item Type: Dust Removal Roller.Material: Silicone, aluminum, plastic, iron, glueMelting Point: 150CWater Solubility: InsolublePeeling Test: Rolling 60,000 times without peelingInner / Outer Diameter: Approx. 28mm/1.1in bearing outer diameter 13mm/0.51in inner diameter 6mm/0.23inRoll Surface Hardness Parameters:Viscosity Type: Low viscosityViscosity Value: 310DHardness (Shore hardness): 32Applicable Scenes: Clean room, kitchen staff hair cleaning, circuit board, PCB, LCD process, light guide sheet, soft sheet precision printing, SMT, electronic semiconductor and other industries when producing products, the surface treatment required cleaning tools.Package List:1 xDust Removal RollerNote:1. Only remove tiny dust particles (not anti static)2. After Use: Please roll back and forth on the sticky paper several times to keep the surface of the sticky dust roller clean.