5 type of threaded rod adapters 1/4 inch,5/16 inch,3/8 inch,M8,M10 Included Were Perfect to be Able to Use the Wheels in Different Applications

Steel Wire Shelving System Casters, 2" Diameter,Set of 4,Heavy Duty

2" casters turn the steel wire shelf into a mobile storage unit. Heavy-duty steel casters are screwed into the bottom of the shelf pillars to achieve smooth rolling. Wheels are 2" in diameter. Two wheel locks for stability.

Heavy-Duty Caster Wheels
Use these easy-to-install casters to convert your Shelving unit into a rolling storage shelf unit. The wheels are made of solid polyurethane, which is durable and can run smoothly on various surfaces. The steel casters have a ball bearing rotating device for easy placement of the shelf, and 2 locking wheels can ensure your storage safety. Easy to Move.

Designed for ultra-durable steel wire racking wire shelf system. Immediately upgrade the storage space with large, smoothly sliding casters for superior mobility.

4-Pack Casters
They can screw right into any kind of wire shelving unit around your house or other warehouse.

Heavy duty: Up to 550 lbs loading capacity for 4 casters(150 lbs per caster).

360 Degree Rotation – With the 360 Degree swivel top stem, easy to move and change direction

Special Design: Rubber casters with lock, thickened galvanized bracket, stable, durable and moveable.

Why don't you need to worry about size?
Threads stem on the casters are 1/4” x 20,5/16” x 18,3/8” x 16,M6,M8,M10,UNC all include,universal design can match many type of bolt hole.

Widely Used: Casters can be used in other furniture and workbench,cart.