Item No.: U51C213
.Wheel Diameter: 2"   
.Overall Height: 2-1/2"   
.Plater Thickness: 7/64"   
.Plate Dimensions: 1-7/8" X 2-9/16"  
.Hole Spacing: 1" X 2-1/8"  
.Load Capacity: 90 lbs per caster   
.Material Type: Soft Rubber, Non-Marking, Quiet Rubber Casters   
.Includes: 4 casters (2 with lock, 2 without lock)