ITEM NAME:5pcs DC 5v 2-phase 4-wire Stepper Micro mini Motor linear screw slider block LJ Items details Motor type: 2-phase 4-wire Driving voltage: 5V Phase resistance: 40Ω Screw length: 10mm Effective stroke: 10mm Packing list: 5pcs Micro Mini 2-phase 4-wire Stepper Motor DC 5v linear screw slider block.5pcs Micro Mini 2-phase 4-wire Stepper Motor DC 5v linear screw slider block. Phase resistance: 40Ω. Screw length: 10mm. Motor type: 2-phase 4-wire.