Never buy another rod holder again! These are the finest rod holders we have ever seen. If a PMH rod holder ever fails, simply return it for a replacement. No questions asked. When was the last time anyone made that offer? Rubber insert included. Precision Marine Rocket Launcher Rod Holders are perfect for any application. Can be mounted in any position both horizontal and vertical. Mount on rails from 7/8" up to 1.50" round or square tubing, please specify. Made of American stainless steel in the USA. Lifetime guaranty.