SET OF 4 RUBBER BALL STEM CASTERS C-4052PE

C-4052PE… Desk Chair Casters. Sold in set of 4. Monarch Hard Rubber, Non-Marking Round Ball Casters with Socket. Black Rubber Ball with Brass Plated steel hood with 1-7/16″ long stem. Comes with Stem socket. Wheel- 2-1/4″dia. Mounted Height 2-3/4″ (350 LBS load per set.) Made for hard surfaces like hardwood or tile and will not work on carpet. Must be installed in completely vertical position, no angled or splayed legs.