Swordfish 32440 - 280pc Stainless Steel Finishing Cup Washer Assortment With Organizer 

• 280 pieces assortment

• Includes 7 different sizes #4, #6, #8, #10, #12, 1/4", 5/16"

• Made from 304 (18-8) stainless steel

• Use with standard 82° flat and oval head countersunk screws