Precision made miniature motor was made to rotate the media inside floppy disks. It is about 0.78" dia. x 0.35" high with a 0.95" dia. lip. The entire outer assembly rotates. The inner assembly has a rigid 1.5" long metal mounting bracket. It has a 3-conductor flat cable with a 4-position connector mounted (1 position is not used). We do not have specs or knowledge of how to drive this motor. Please let us know if you know how to drive it. Brand new in a sealed factory bag. Sold in a package of 4.