Pneumatic Casters
• Four ply pneumatic casters offer smooth and quiet rolling over the roughest surfaces and outdoor terrain • Shock absorbing properties give the greatest possible protection to both the load and floor • The "Air cushion" feature will transport the most fragile material and instruments without damage • Not recommended for floors with metal shavings or corrosive chemicals.  
Available:  8" or 10" Wheel Dia. in Swivel, or Rigid Styles in 350 to 400 lbs capacity.
Surface Applications: Concrete, brick, carpet, steel, tile, asphalt, wood and linoleum
Plate Size: 4" x 4 1/2" Bolt hole centers: 2 3/4" x 3 3/8" Bolt hole size: 13/32"