Ample Quantity: our package boasts an impressive content quantity with 4 broad brimmed top caster sockets offered (NO Wheels), providing enough for multiple uses; The generous quantity ensures you have enough supplies on hand for immediate or use, replacements. Properly Sized : with a length of about 1-1/2 inches, an inner diameter of about 7/16 inch, the caster socket ideally fits casters with 7/16 inch stem, precisely engineered to provide you with an ideal fit and smooth operation. Construction: made of heavy duty metal, our caster stem inserts consistent, sturdy performance, allowing your furniture to move smoothly, ensuring stability, spreading the weight evenly across the platform, preventing tipping over. Easy Installation: the caster sleeve inserts can be easily mounted with screws that match the 1/4Inch hole, ensuring a straightforward installation process; The simplicity of installing enables you to enhance your furniture stability with minimal effort. Universal Application: our caster socket sleeve can be applied to furniture and equipment at office, home or other workplaces, such as carts, musical equipment, bookshelves, coffee tables, movable cabinets and more, adding mobility and versatility. Featuring silver color, the office chair caster sockets effortlessly blend with your furniture and equipment. Not just that, but they also add an understated touch that enhances the look of your space. With versatility in utility, our socket sleeve inserts are designed for a wide range of furniture and equipment types. Whether for home, office, or industrial applications, they cater to all your needs. Size:Length:about 1-1/2 inches Inner diameter:about 7/16 inch Notes:Swallowing risk may exist, please keep away from kids. Colour:Silver Material:Metal Package Contents: 4 * Caster Socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.