4 Nylon Base 3/4" Swivel Glides Color:Silver Cap has an outside diameter

Cap has an outside diameter of 1-1/8" and overall height is 5/16"

25" inside diameter leg

If you are interested in trying to use these glide caps as inserts the outside diameter is approximately 1-1/32" with an approximate height of 5/16"

From hole to hole measures 8

Bolt lengths and diameters would depend on original part sizes

4 Nylon Base 3/4" Swivel Glides Color:Silver Cap has an outside diameterSwivel glides decrease floor scratching and increase the mobility of your school furniture. The easy to install design allows for a large quantity (such as a class room full of desks) to be completed quickly. Equipping your furniture with swivel glides will allow for an easy restructuring of your classroom when the new school year begins and aid well when having to move furniture for floor cleaning purposes. Chair glides are very popular in schools