The Woodruff Key 5/16 x 1 from Double HH Manufacturing is a high-quality component designed for secure mechanical connections. This pack contains 100 pieces, making it ideal for bulk applications. Crafted from durable materials, these keys ensure reliable performance in various machinery and equipment. With precise dimensions of 5/16 inch width and 1 inch length, they fit snugly into corresponding slots, providing excellent torque transmission. Suitable for use in automotive, industrial, and agricultural applications, these keys meet industry standards for quality and reliability.