(6) EITHER SOCKET HEAD OR BUTTON HEAD BOLTS WITH (6) FLANGE NUTS -USED ON MOST VAN KAY/DOUGLAS, VIPER WHEELS. NUTS ARE 7/16" SIZE, IF 1/2" SIZE,  YOU NEED 5/16" HARDWARE.  I HAVE THOSE, SO DROP ME AN E-MAIL AND WILL GET YOU A PRICE.