The Shepherd Set of 4 Caster Wheels is designed for easy and smooth movement of carts, dollies, and other heavy equipment. Made by Shepherd, these 4-inch caster wheels feature a 1.5-inch length stem and a 3/8-inch wide design, providing stability and maneuverability. With 2 wheels featuring a lock function, this set ensures that your equipment stays in place when needed. Imported from China, these caster wheels are durable and reliable for various industrial and commercial applications.