●SIZE: 12 inches Width x 40 Inches Length, aperture 0.48mm, wire diameter 0.15mm. ●MATERIAL: The fine mesh screen is made of 100% pure copper and offer a larger size, providing a wide coverage area for electromagnetic shielding, allowing you to effortlessly seal larger gaps and openings, effectively filter and screen larger volumes. ●EASY TO USE: Copper wire is flexible and can be cut into different shapes or sizes depending on your use. ●Electromagnetic shielding - The production of precision and durable copper mesh screen is an excellent conductive material, which have a good effect in shielding electromagnetic interference (EMI) and radio frequency interference (RFI), because of its own characteristics can also be used to make Faraday cages. ●APPLICATION: Copper screen are available for filtration applications and are typically used in laboratory Settings to screen and separate particles of a specific size. In addition, it can be used for electromagnetic signal shielding.