Crafted for durability and reliability, these split lock washers are designed to provide a secure fit for your fastening needs. With a 5/8-inch diameter, they are ideal for various applications requiring a firm grip and enhanced stability. The zinc-plated steel construction ensures resistance to corrosion, making them perfect for both indoor and outdoor use. This pack of 400 pieces offers ample supply for large projects or multiple repairs, ensuring you always have the right component on hand.