Description Manufactured by plastic materials, more sturdy and durable to use, which can effectively prevent rust, have a long service life.Simple structure and fine craftsmanship make these caster sockets easy to use and have fine durability. This is good for you in daily use. Features -Color:Black -Material:Plastic -Size:2.50X2.50X2.50cm/0.98X0.98X0.98in - Thick and tough material to prevent the caster socket form breaking, very practical. -Thickness and toughness materials are used to prevent breakage of the caster sockets. - Provides the solid connection when furniture or objects need wheels and fix standard rod fasteners in furniture. - Adoption of simple and convenient design, this product also can be used for a long time. - Simple in structure, easy to use, not easy to deform, you can use it with confidence.Package list: 20 x Caster Socket Sleeves