THIS IS A VINTAGE SET OF 6 BOLTS & NUTS THAT ARE USED ON SCHWINN BIKES OF MANY SIZES AND YEARS. THIS WILL FITS TO SCHWINN STINGRAYS KRATE BIKES, ROAD BIKES, BALLOON TIRE BIKES AND MANY OTHERS. THEY CAN BE USED AS CHAIN GUARD BOLTS, FENDER BOLTS AND BIKE RACKS. THEY ARE MINT NEVER USED NUTS AND BOLTS.