Swivel Caster and Wheel Blue White 5" x 1" Wheels Casters 2"x3/4" Square Stem This P H Swivel Caster and Wheel with a 5" x 1" Wheel Dimension. The 2" x 3/4" square stem dimension makes it easy to attach to your unit. Locking pin hole is 5/16". No Locking Pin. This Unit Type product is perfect for business and industrial use, especially on hospital beds, carriages and toolboxes. The Blue and White color of the Carriage Hospital Bed Caster Wheel adds a touch of professionalism to your equipment. Made in the United States, this high-quality Swivel Caster and Wheel is a durable and reliable choice for your needs. The unit quantity is 1. Thanks for stopping. Please visit my slow growing store, read about me, my policies and view other items that may interest you. Also, check out my other casters wheels. **I always have money saving volume discounts on most items** David - thediscountretailer LLC