Feature: 1. HIGH TEMPERATURE AND WEAR RESISTANT: Silicone manual roller is processed by liquid silicone material with high rebound, high temperature and wear resistance 2. SOFT AND RUSTPROOF: Silicone manual roller cleaner has low hardness, good softness and rustproof 3. SAFE AND LONG LIFE: The silicone roller is safe and durable and can be used for a long time 4. ENVIRONMENTAL PROTECTION MATERIAL: Possess wear resistant and durable aluminum alloy rubber handle, iron bearing, rubber bearing, non toxic, environmental protection, not easy to rust 5. EASY TO USE: Adopt laminated roller, support simple operation, convenient for you to use Specification: Item Type: Silicone Manual Roller Roller Material: Silicone Melting Point: 150℃ Water Soluble: Insoluble Peeling Test: Roll 60,000 times without peeling Diameter: Approx. 28mm / 1.1in, Bearing Outer Diameter: Approx. 13mm / 0.51in, Inner Diameter: Approx. 6mm / 0.24in Roller Surface Hardness Parameters: Viscosity Type: No viscosity Viscosity Value: No viscosity Hardness(shore hardness): 45° Application: Clean workshop, circuit board, PCB, LCD process, light guide, film accurate printing, SMT, clean room, electronic semiconductor and other industries to produce products, surface treatment required cleaning tools Color: Blue. Package List: 1 x Silicone Manual Roller Note: 1. Remove only small dust particles(not ESD).2. After use, please roll back and forth on the stick paper several times to keep the surface of the roller clean.