The Fastenal 1171259 #10 Lock Washer 100 Pack is a high-quality product designed for industrial and business applications. The lock washers are manufactured by Fastenal, a reputable brand known for producing durable and reliable hardware components. These lock washers are specifically designed to fit a #10 hole size, providing a secure and stable fastening solution for various projects. With a pack of 100, users can easily stock up on these essential fasteners for ongoing projects or future use.