Qauick 360p/r Incremental Rotary Encoder Dc5-24v Wide Voltage Power Supply 6mm Shaft Size: 39mm/1.53" Dia, 36.5mm/1.43" Length. Suitable for a variety of intelligent control of automatic guillotine paper machine, 360P/R-360 pulses per revolution. By rotating the grating disk and optocoupler direction which generate counting pulses Light weight and small size. Easy installation. Cost-effective features. Model: incremental rotary encoders, AB two phases.