Transfer files to/from your laptop to your desktop quickly and easily with this kit! Simply attach your laptop's 2.5in drive to the Laptop to IDE Adapter (#17705), and connect the Laptop adapter to the USB 2.0 to IDE Drive Adapter (#30500). Then plug the USB to IDE adapter into an available USB port on your desktop. Your 2.5in drive will appear as a logical drive, and enable you to retrieve files directly back and forth. Or, used separately, the USB 2.0 to IDE Drive Adapter turns any IDE drive into a convenient external drive. The Laptop Hard Drive Adapter easily connects your 2.5in notebook IDE hard drive to a 40-pin IDE cable for installation in a desktop or tower PC.