Welcome to Ollie's Tips Page. We are here to help you choose the correct caster for your application. Below are answers to the most common questions. Choose from the titles for help. We hope that you find these tips useful but if you still have questions PLEASE CALL US toll free at 800-501-3808. We have a VERY KNOWLEDGEABLE sales staff to answer your questions. Each of our sales engineers has more than 30 years experience in the caster industry and will be glad to help you. Thank You !