6" x 2" V-Groove Cast Kingpinless Swivel Caster Med Heavy Duty,1000# Cap Four Position Swivel Lock:Add 4-Position Swivel Lock and aluminum

and aluminum

Load Capacity: 2

Not ideal for shelf loads above 200 lbs

the mounting does not match the listed 4"X4-1/2" plate with 2-5/8" x 3-5/8" to 3" x 3" bolt-hole pattern

Loads within the listed 1000 Lbs rating

6" x 2" V-Groove Cast Kingpinless Swivel Caster Med Heavy Duty,1000# Cap Four Position Swivel Lock:Add 4-Position Swivel Lock and aluminumProduct Overview Cast iron v groove wheels are made for use with inverted angle track but they can also be used to roll on floor tracks, gate fence tracks and flat surfaces. Constructed of cast iron with a 90 v groove, this wheel works well inside and outdoors. Tread: Solid Cast Iron 90 V Groove This caster is listed with wheel diameter 6", tread width 2", load capacity 1,000 Lbs., tread type Solid Cast Iron 90 V Groove, and bearing type Roller