These 4" Casters are ideal for use in your home, office, business, restaurant, medical facility, residential facility, hotel, motel or other environments. They have a metal construction for a level of durability that will withstand daily use and deliver you a long lifespan. These heavy-duty casters are compatible with wire shelving poles that have an insert bolt size of 3/8". Simply screw them in to install. Each set of metal casters come with two locking wheels, which helps keep your shelving unit in place. They have a maximum load capacity of 600 lbs, making them suitable for placing under large units.

4" Casters, 3/8" Bolt, Black, 1 Pack of 4 Casters:

• Wheel diameter 4"
• 4" casters with 2 locking wheels
• Easy to install
• Fits wire shelving poles with insert bolt size of 3/8"
• Total loading capacity: 600 lbs
• Heavy-duty casters are made from metal for a high-level of durability and a long lifespan
• Ideal for use in homes, offices, restaurants, medical facilities, hotels, motels and more