National Hardware N184-556 Spring Door Hinge 3-1/2 Inch Square Corner Brass Material:Steel These glides install inside the

These glides install inside the hollow leg of your furniture and are the most common type

Tube size: fits into a 1-5/8" inside diameter base pole

There are some exceptions like Homecrest or Samsonite which use two layers of material on some of their furniture to slide the slings over an internal frame

Fits a 1/2" inner diameter hole

When leveling heavy restaurant tables and food service equipment Hard Wobble Wedge plastic shims are a must

National Hardware N184-556 Spring Door Hinge 3-1/2 Inch Square Corner Brass Material:Steel These glides install inside the3 1 2 Inch spring adjustable self closing door hinge manufactured with cold rolled steel. Closing speed is adjustable. Fits standard cutouts. Tension is adjustable square corners. Hinge is UL approved for fire doors which must use a minimum of 2 spring and one conventional hinge per door.