Ample Quantity: This package includes 4 broad brimmed top caster sockets (wheels not included), providing sufficient quantity for multiple uses, replacements, or immediate installation. Properly Sized: With a length of approximately 1-1/2 inches and an inner diameter of about 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 from heavy-duty metal, these caster stem inserts provide consistent and sturdy performance, helping furniture move smoothly while ensuring stability, evenly distributing weight, and reducing the risk of tipping. Easy Installation: The caster sleeve inserts can be easily secured using screws that fit a 1/4 inch hole, allowing for quick and straightforward installation with minimal effort. Universal Application: These caster socket sleeves are suitable for various furniture and equipment in offices, homes, or workplaces, including carts, musical equipment, bookshelves, coffee tables, and movable cabinets, adding mobility and versatility. Silver Finish: The silver-colored caster sockets blend seamlessly with most furniture and equipment, offering a clean and professional appearance that complements your space. Versatile Use: Designed for a wide range of applications, these socket sleeve inserts work well with home, office, or industrial furniture and equipment. Size: Length: approximately 1-1/2 inches; Inner diameter: approximately 7/16 inch Note: Small parts may present a choking hazard. Keep out of reach of 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 may vary by +/- 1-3 cm.