Oak / Grigsby Rotary Encoder - 128 Pulses / Rev - 91Q128 - 2 CH Full Quadrature

2 X Oak / Grigsby Rotary Encoder - 128 Pulse/Rev - 91Q128 - TTL 2 Bit Gray Code

2 X Oak / Grigsby Rotary Encoder - 128 PPR – 2 Channel Full Quadrature – 1" Squa

Oak / Grigsby Rotary Encoder - 128 Pulse/Rev - 91Q128 - 2 CH Full Quadrature

2 X Oak / Grigsby Rotary Encoder - 128 PPR – 2 Channel Quadrature – 1" Square

Oak / Grigsby Rotary Encoder - 128 PPR – 2 Channel Full Quadrature – 1" Square

Oak / Grigsby Rotary Encoder - 128 PPR – 2 Channel Quadrature – 1" Square w Plug

US Digital S1-500-B Optical Encoder (500-count)