Feature:1. High Grade Material: Made with an enhanced liquid silicone material that provides exceptional resilience, high temperature resistance, and excellent abrasion resistance, ensuring long lasting durability.2. Prolonged Usability: With its low hardness and remarkable flexibility, this roller offers a gentle touch without causing any damage. It remains rust free for prolonged usability.3. Long Service Life: The roller is meticulously crafted with high grade silicone material, guaranteeing a safe and reliable cleaning tool that can be used extensively without compromising its performance.4. Durable and Wearproof: Crafted with a durable and wearproof full aluminum alloy handle, this roller is built to withstand heavy usage. Equipped with iron and rubber bearings.5. Exceptional Design: Its exceptional design incorporates static electricity, enabling it to efficiently remove even the finest impurities such as hair, dandruff, fibers, rubber powder, and copper powder from surfaces, leaving them immaculately clean.Specification:Item Type: Silicone Screen Film RollerMaterial: Silicone, aluminum alloy, iron, rubberRoller Material: siliconeMelting Point: 150 Degree CelsiusWater Soluble: insolublePeeling Test: Roll 60,000 times without peelingInner and Outer Diameter: 28mm / 1.1inBearing Outer Diameter: 13mm/0.5inInner Diameter: 6mm/0.2inRoller Surface Hardness Parameters:Viscosity Type: High viscosityViscosity Value: 620DHardness (Shore Hardness) : 30 degreeApplication Scenario: clean workshop, kitchen staff hair cleaning, circuit board, PCB, LCD process, light guide, film accuracy printing, SMT, clean room, electronic semiconductor and other industries to produce products, surface treatment required cleaning tools..Package List:1 x RollerNote:1. Only small dust particles can be removed (not anti static) 2. After Use: Roll the roller back and forth on the sticky paper several times to keep the surface of the sticky roller clean.