Swivel castor wheels<br />2 normal wheels and 2 braked wheels<br />Tyre diameter: 50mm<br />Tyre thickness: 19mm<br />Total height: 71mm<br />Plate size: 50mm x 50mm<br />Hole size: 6mm<br />4 X Castor Wheels<br /><img src="http://img6.eachbuyer.com/x1/p95/ue0114_1.jpg" / noproxy>                                                        <img src="http://img6.eachbuyer.com/x1/p95/ue0114_2.jpg" / noproxy>