Pack of 20 Outwater Square Double Star Metal Caster Insert with Thread DS71-325 Thread 5/16-18 Outside Dimension of Tube 1 Gauge of Tube 16-18.
- Square Metal Caster Inserts feature hardened steel, double star design. Thread: 5/16-18 Outside Diameter of Tube: 1" Gauge of tube: 16/18..
- caster inserts insert firmly into tubular legs and are not easily removed..
- Specially designed to sit deep in the tube and can roll over thresholds, extension cords, etc..
- Double star caster insert s work with any quality caster..
- Inserts are available in a range of sizes and will fit flush to the outside edge of the tubing.