Ample Quantity: This package includes 4 broad brimmed top caster sockets (NO Wheels), providing sufficient quantity for multiple uses and replacements. Properly Sized: With a length of approximately 1-1/2 inches and an inner diameter of approximately 7/16 inch, the caster socket is designed to fit casters with a 7/16 inch stem, offering a precise fit and smooth operation. Construction: Made of heavy-duty metal, these caster stem inserts provide consistent and sturdy performance, allowing furniture to move smoothly while ensuring stability and even weight distribution. Easy Installation: The caster sleeve inserts can be easily installed using screws that match a 1/4 inch hole, enabling a simple and straightforward setup process. Universal Application: These caster socket sleeves are suitable for use with various furniture and equipment in offices, homes, or workplaces, such as carts, musical equipment, bookshelves, coffee tables, and movable cabinets, adding mobility and versatility. Featuring a silver color, these caster sockets blend seamlessly with your furniture and equipment, offering a clean and professional appearance. Designed for versatility, these socket sleeve inserts are compatible with a wide range of furniture and equipment types, ideal for home, office, or industrial use. Size: Length: approximately 1-1/2 inches; Inner diameter: approximately 7/16 inch Note: This product poses a choking hazard due to small parts. Keep away from children. Color: Silver Material: Metal Package Contents: 4 x Caster Socket (wheels not included) Note: Due to lighting and display differences, the actual color may vary slightly from the image. Measurement error allowed is +/- 1-3 cm.