Set comes with the following quantity of sizes: (50) #6 Lock Washer, (40) #8 Lock Washer, (30) #10 Lock Washer, (25) 1/4" Lock Washer, (15) 5/16" Lock Washer, (15) 3/8" Lock Washer, (50) #6 Flat Washer, (40) #8 Flat Washer, (30) #10 Flat Washer, (25) 1/4" Flat Washer, (15) 5/16" Flat Washer, (15) 3/8" Flat Washer