Pair of Quiet 4″ Casters, Swivel with Brake

Sold in pairs.
Color: blue.
Total height: 5 1/8.
Ultra-quiet casters.
Protects floors and highly resistant to wear and tear.
The soft and ultra-narrow tread ensures exceptionally smooth rolling.
Very low rolling resistance.
High dynamic load capacity.
Superior industrial quality casters.
Blue non-slip polyurethane tread won’t mark floors.
Installs under the mobile base for shelving and Mini-racking : one per post.