With the connected 4 pin aviation plug, you can hook up this chuck rotary axis to a wide range of OMTech fiber laser engraving machines and start marking rings, cans, pens, pipes, and more! POWERFUL OPERATION: Our chuck rotary axis uses a NEMA 23 2-phase stepper motor to provide precise positioning and smooth motion for efficient operation; the aluminum and stainless steel construction ensures lasting corrosion resistance.