Signs and Safety Devices offers a wide array of top-quality object markers at the most competitive rates. If you are looking for awesome products such as the OM4-3, you have come to the right place. Our Type 1, Type 2, and Type 3 object markers can be used to mark obstructions that are adjacent to or within the roadway. Additionally, our Type 4 object markers are designed to help indicate the end of roadways. If you have any questions about our object markers and their applications, feel free to contact us today. We are more than happy to provide much needed assistance!