The BI TECHNOLOGIES part 64WR500LF is a precision Cermet Trimmer with a resistance of 500 Ohm and a tolerance of 10%. This high-quality trimmer is rated for 0.25W (1/4W) power and features 12 (Elec)Turn for precise adjustments. It is designed with a compact size of 1.78mm, making it suitable for various electronic applications. This trimmer is mounted using Pin Thru-Hole technology and is packaged in a convenient tube for easy storage and organization.