Strict manufacturing standards, manufacturing technology, complex and sophisticated production process, to create high-quality products with high cost performance.Carefully select raw materials to that every step of the product production process reaches an excellent level.Products: Brand new, industrial quality, high quality, durable.Very high practicability: the product has clear installation technology, easy operation, and is a powerful helper in your life.It has a wide audience. It is a powerful instrument for businessmen, engineers, farmers, contractors, construction workers, maintenance workers and other personnel. It is a practical tool for all families and factory workshops.Colour: Picture colorMaterial: Plastic, metalPackage Contents:330 * Desktop chassis mounting screw assembly1 * Tie1 * Screw driver1 * Cleaning brush setOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.