Incremental Encoder , Standard Square Flange , 3/8 inch Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (B-Leads-A, CW, Z gated with BN) , 5m (16.4 ft) Cable, 1000 Pulses per Revolution.ENCODER DATAEncoder Diameter/Type2.5 inch Diameter, Solid...