Left and right hand threaded rod lead screw linear stepper

Linear stepper with lead screw with left hand and right hand threads in one.
Physical Specification
Frame Size: 57 x 57mm
Motor Length: 56mm
Lead Screw Length: 300mm（11.811"）
Lead Screw Diameter: Φ11mm（0.433"）
Lead /Step: 0.01mm(0.0003937" )
Lead/Revolution: 2mm（0.0787"）
Lead Length: 500mm