Upgrade your furniture with these Plastic Caster Socket Black Sleeve Round Inserts. This set of 12 caster wheel stem inserts is perfect for replacing worn or damaged casters on chairs, tables, and other furniture. Designed for 1-inch wheels with a 7/16-inch inside stem, these inserts provide a smooth and sturdy base for your casters. Made from durable plastic, they are built to withstand heavy use and ensure your furniture glides effortlessly across any surface. With a sleek black finish, these inserts blend seamlessly with various furniture styles. Enhance the functionality and appearance of your furniture with this essential set of caster wheel stem inserts.