The Bostitch Portable Mule Dolly, 2-Pack is the perfect solution for storing inventory or moving heavy equipment. Despite a lightweight nylon build, this towing gear has a 250 lb capacity to handle any job. If needed, you can link two dollies together to create a portable storage system that can handle 500 lbs! The four caster wheels spin in a 360º rotation for smooth movement. Each heavy-duty dolly features rounded edges to help prevent damage wall and packaging damage when in motion. Featuring integrated industrial hand holes and reinforced ribs, no task is too daunting or heavy for these dollies.