Service Caster Brand Replacement Floor Lock for McMaster Carr Floor Lock 2728T21

These Service Caster Floor Truck Locks come in various sizes for use with standard profile casters: 4”: 4-5/8” retracted/5-7/8” extended mounting height; 5”: 5-1/2” retracted/6-3/4” extended mounting height; 6”: 6-1/2” retracted/7-3/4” extended mounting height; 8”: 8-1/2” retracted/9-3/4” extended mounting height. Service Caster Floor Truck Locks feature durable construction, zinc plated finish, and rubberized non-slip foot. Top plate measures at 4" x 4-1/2" with a bolt hole pattern of 2-5/8" x 3-5/8" to 3" x 3" and can either be bolted or welded on. HARDWARE NOT INCLUDED