Check the listing for details. RAPIDSYN, 23D-6315B Stepper Motor Dual Shaft 500mA 25VDC. Condition: New – Open box. Listed at 245.00 USD. No sign of use or installed !!! Comes exactly as pictured ! >>> Unable to test >>> ** SOLD AS IS **_________________________________________________________________________________ American Precision Industries (API): Standard Stepper Motors (23D Series)The 23D Series are standard style round-bodied stepper motors. They have lower rotor inertia than square high torque motors which allow them to accelerate faster and offer higher torque at speeds greater than 25 revolutions per second. These motors are an excellent choice to replace many of the round stepper motors that were popular for many years. The motor comes in a standard 6-lead configuration with a broad line of motor windings and stack lengths available off-the-shelf. Also customizable so winding can perfectly match your voltage, current, and maximum operating speed. Special shaft modifications, cables and connectors are also available upon request. Features NEMA 23 Frame Size 1.8° Natural Step Angle High Torque - Up to 210 oz-in Best Selection for High Speed Applications Can be Customized for: Winding Current, Shaft Options, Cables and Connectors