277-piece kit includes: 31 each 1/4" split lock washer (steel ZP), 59 each No. 10 flat washer (steel ZP), 15 each 5/16" split lock washer (steel ZP), 12 each 3/8" split lock washer (steel ZP), 22 each 3/8" flat washer (steel ZP), 105 each No. 10 split lock washer (steel ZP), 24 each 5/16" flat washer (steel ZP - SAE), 9 each 5/16" flat washer (steel ZP - USS).
