General Purpose Stepping Motors.
Flat shaft, not round.

MOTS1 - STEPPING MOTOR Stepping motor:  12VDC / 32mA Usage:  Office Machines Automatic Control Machines Split- Air Conditioners   MOTS2 - STEPPING MOTOR Stepping motor:  12VDC / 60mA Usage:  Office Machines Automatic Control Machines Split- Air Conditioners   Pink :  B1 Orange :  A1 Yellow :  A2 Blue :  B2 Red :  GND For MOTS2:  Brown:  GND2   STEP A1 A2 B1 B2 FREE MODE X X X X 1 X + X + 2 X + X X 3 X + + X 4 X X + X 5 + X + X 6 + X X X 7 + X X + 8 X X X +   UNIT MOTS1 MOTS2 Rated Voltage VDC 12 12 Current mA 32 60 Inpedence ohm 300 200 Phase 4 4 Step Angle / Step 5.625° / 64 7.5° / 85 Reduction Ratio 1/64 1/85 Detent Torque gfcm 310 350 Pull-In Torque gfcm 360 600 Max Starting Pulse Rate pps 700 500 Max Slewing Pulse Rate pps 1400 800 Temperature Range Deg 25 45 Noise dB 23 25