Dubbed an economical device for precision rotary indication, the Model RB/RBM Series 1” to 13/16” diameter turns counting dials can count up to 15 turns. They boast superior turning tightness with an improved locking mechanism to meet the requirements of industrial automation and instrumentation applications. Each dial is individually packaged to prevent damage during shipment. Features include a maximum counting capacity of 15 turns, positive action locking mechanism, and a satin chrome housing. Shaft diameter is 0.25” with a bushing diameter of 3/8” and operating temperature range is -55°C to +71°C. BI TECHNOLOGIES, Fullerton, CA. (714) 447-2300.