[Threaded Size] - M42013*3.5mm [Material] - Constructed from carbon steel, white zinc plated finished, anti-rust and anti-corrosion, superior electrical conductivity. < /p> [How to use] - usually use screws to tighten the connected terminal wire; Use a wrench to secure the square nut and use a drive tool to lock the screw in the tightening position. [Application] - It is very suitable for indoor and outdoor use, widely used in civil furniture, equipment, construction, electrical appliances, industrial machinery, etc., generally used with fasteners, screw, washers, screws, etc., mainly for connection, assembly, fixing and other functions. Quantity: 10 PCS Note: It does not include other things, the color is based on the first picture, and other pictures only show the effect Due to differences between different monitors, the picture may not reflect the actual color of the item. . due to manual measurement. Please allow deviation. Thanks!