The PT6KH254A2020 trimmer potentiometer is a through hole 250Kohms, 6mm round side adjustable unit manufactured by Amphenol. This type of trimmer potentiometer is designed to be easily adjusted using either a screwdriver or small tool to turn the top of the adjuster. It is designed to provide accurate and repeatable adjustment for fine tuning of equipment and appliances, especially for high-precision electronic applications. This potentiometer is also conveniently pre-wired with flying leads for easy installation. This product is also partially insulated, and provides a long operational life of up to one million cycles. Additionally, its strong, progressive resistance characteristics make it an ideal component for a wide range of applications.