Feature 1Pressed Film Roller: The roller can achieve perfect fit between film and object surface, providing better operation experience and more accurate control. 2Safe Design: Non stick and static design can keep the surface clean and will not leave residue, safe and durable for long term use. 3Premium Silicone: Highly resilient, high temperature resistant, and wear resistant liquid silicone material, bringing you excellent use experience. 4Anti Rust: Sturdy and durable black aluminum frame, plastic handle, iron and rubber bearings, environmentally friendly, not easy to rust. 5Easy Using: Simple blue surface is not easy to lose paint and comfortable grasp, simple operation and convenient for your daily use.Item Type:ScreenFilmRoller .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, 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: No viscosityViscosity Value: No viscosityHardness (Shore hardness): 45Applicable Scenes: Clean tools required for surface treatment when producing products in clean room, circuit board, PCB, LCD process, light guide sheet, soft sheet precision printing, SMT, electronic semiconductor and other industries.Package List1 x ScreenFilmRollerNote1. 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.