These are 36 used DC motors salvaged from working computer floppy drives. They are screw drive type 5 volt DC motor. All of these have a four point solder connection with a four lead "tape" or a four wire lead. A couple of them have the tape missing. All appear to be in working condition. Sold as is, untested. Shipping weight about 2 lbs. Buyer pays for shipping. Please contact for exact cost.