Got wobbly casters or need to replace worn socket inserts? These Oajen caster socket inserts are just what you need! This 4-pack fits standard 5/16\ x 1-1/2\ caster stems and has a 7/16\ outer diameter. Made from durable plastic, they're brand new in original packaging. Perfect for furniture, equipment, carts, or anything with casters that need a secure fit. Made in Taiwan with quality materials that stand up to regular use. Easy to install—just press into the furniture leg or base and insert your caster stem. Fix loose casters, replace damaged sockets, or upgrade old furniture with these affordable inserts. Whether you're repairing office chairs, shop carts, or home furniture, these sockets make the job easy. Keep a pack in your toolbox for whenever caster issues pop up. Order now and get those wobbly wheels rolling smoothly again!