Lock washers prevent loosening. Flat washers distribute load. This 350-piece set gives you both in six common sizes — #6, #8, #10, 1/4", 5/16", and 3/8" — all in galvanized stainless steel for long-term durability and corrosion resistance.
Organized in a sturdy plastic box with divided compartments and a lid display for fast size identification.
12 Sizes — Lock & FlatSix sizes in both spring lock and flat design: #6, #8, #10, 1/4", 5/16", 3/8". 350 pieces total.
Galvanized Stainless SteelOutstanding corrosion resistance and durability for home, automotive, and workshop applications.
Organized StorageDivided compartment box with inside-lid size display for quick identification.
