Features: Designed with a 32-bit CPU for high integration and reliable performance. It is easy to install and use by the device through the floppy drive interface. To make a purpose USB flash drive, you have to format it in 1.44MB using software. Shape: The same size as ordinary 3.5'' floppy drive, the mounting hole position is the same as the floppy drive. Application areas: Directly used in computers, data machine tools, machining centers, embedded systems computerized embroidery machines, computerized flat knitting machines, computerized quilting machines, computerized trademark machines, automated jacquard machines, etc., which are still using ordinary 1.44M floppy drives. The main advantage: to get rid of the traditional floppy drive in various industrial equipment, the sensitivity of the floppy drive, short life, difficult to maintain. Replace the floppy disk with a USB flash drive. Compared with floppy disks, U disk has the advantages of plug and for play, long life, stable transmission, large capacity, no fear of magnetism, no fungus, shock resistance, small size and easy to carry. Specifications: Model : FDD-UDD U144K for Shell Material: ABS for Shell Color: Gray white Size: approx. 123x100x25mm/4.84x3.94x0.98in Package Includes: 1PC x Floppy Drive note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!