The patented HOYT 250° Analog Panel Meter utilize a highly damped, spring loaded pivot & jewel movement; mechanically interlocked, negating the use of adhesives and develops very high torque. 250-20/30/375 also offers special range and resistances to match your equipment design, optional custom dials with your name and logo, etc. Electrical damping to control overshoot and oscillation, long 250 degree pointer swing and pivot and jewel movement. Available with chrome or black bezels, with or without Illumination, high impact metal cases and color fast metal dials in 3 sizes for your application. Finally backed by a 1 year limited warranty.