The Tingley Traction Device Ball Heel is a traction aid designed to help provide stability on slippery surfaces. It features a durable rubber exterior and an anti-slip tread pattern to grip wet, oily, and icy surfaces. The ball heel measures 3 inches in diameter and has a 1 inch threaded stud designed to screw into work boots and shoes. This traction device is made in the USA and helps reduce slips and falls in hazardous working conditions. It's an ideal addition to work footwear used in food processing, industrial, and other slippery work environments.