30 x S.1064 Imperial Spring Washer, ID: 1/4'' (Din 127B) 30 x S.1065 Imperial Spring Washer, ID: 5/16'' (Din 127B) 20 x S.1066 Imperial Spring Washer, ID: 3/8'' (Din 127B) 20 x S.1067 Imperial Spring Washer, ID: 7/16'' (Din 127B) 20 x S.1068 Imperial Spring Washer, ID: 1/2'' (Din 127B) 10 x S.1033 Imperial Spring Washer, ID: 5/8'' (Din 127B) 6 x S.1032 Imperial Spring Washer, ID: 3/4'' (Din 127B)