These matte black casters are available in three styles.
The plate casters (2" in diameter with a 1 1/2" square plate and a load capacity of 70 lb ea.) are available in a standard version or with a wheel lock that can be engaged or disengaged with toe pressure.
The stem casters are 1 5/8" in diameter with a 1 1/2" stem and a plastic insert (load capacity of 40 lb ea.).
Sold in sets of four. Screws included.