Mild Steel Colony Counter is laboratory equipment used to count colonies of bacteria, fungi, and other microorganisms on a solid culture medium. This counter consists of a flat surface with a light source to enhance visualization of the colonies and a pen or digital device to mark each colony as it is counted. The mild steel construction of the counter makes it durable and resistant to rust and corrosion, allowing it to be used in a variety of laboratory settings. Moreover, this counter is a reliable and efficient tool for microbial analysis and identification in research and clinical settings.