uxcell Square Top Plate Bearing Swivel Caster Wheels 28mm 1" Dia. Black 12pcs</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Main Material: Plastic， Material; Package Content: 12pcs x Caster Wheel</li><li>Product Name: Caster Wheel; Weight: 343g</li><li>Main Color: Black， Silver Tone; Overall Size: Height: 42mm/1.7"</li><li>Wheel Size: 28 x 32mm/1" x 1.3"(D*T); Mounting Hole Dia.: 4mm/0.16"</li><li>Mounting Hole Center Distance: 19 x 19mm/0.75" x 0.75"(L*W); Top Plate Size: 29 x 29mm/ 1.1" x 1.1" (L*W)</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41t9a9FhpVL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31kgNi3P14L.jpg' noproxy></br>