<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> The round belts are the most commonly used belts for power transmission. The other name of the belt is o rings belts. These belts are used in powered roller conveyors. To use these belts there is an application of tensioner. To buy the <a href="https://superiorbands.com/material-handling/polyurethane-belts/">round drive belt</a> you can choose an online store.