01-SCHL - 0704 Trimmer potentiometers with good quality and CE,ROHS certificate. 01-SCHL - 0704 Trimmer potentiometers.Features:1. Higher rated power due to the use of cermets resistor element.2. Cut-off structure, offers excellent.3. Overall characteristics, worm drive, mite adjust.4. Excellent reliability for heat and humidity5. Applications: Various instruments, appliances and power products.