Rubber Wheel Caster

This style of caster is often used on office chairs. 
Socket Included.
Dimensions:

• Overall Length- 4  1/8"
• Overall Width- 2 1/2"
• Stem Length- 1 1/2"
• Stem Diameter- 5/16"
• Wheel Diameter- 2"
• Wheel Width- 7/8"

Helpful Hint:  Drill hole in furniture leg at 7/16" diameter and slightly deeper than the length of the caster shaft. Tap socket into wood. Caster shaft will then snap into the socket.