★Material: Made of alloy steel, good hardness, low temperature strength and corrosion resistant.
★Size: 9 Sizes of the most commonly used flat washers, M2 M2.5 M3 M4 M5 M6 M8 M10 M12.
★Quantity: It contains 9 sizes totally 684pcs, each size comes in a little poly bag organized in a little compartmentalized box. Perfect for having around the house and doing small projects.
★Functions: Flat washers are mainly used to reduce pressure and friction, prevent leakage, isolate, loosening or disperse pressure. Black Zinc Plated Alloy with rust resistant galvanized finish to ensure life-time use.
★Widely Application: Perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.