Vehicle Safety Manufacturing offers the widest assortment of flashers and relays in the OE and aftermarket heavy-duty truck segment to fulfill the needs of customers working in the harshest environments including material handling, construction, agriculture, forestry, mining and other on and off-road equipment and truck applications. VSM's durable flashers and relays meet or exceed SAE and DOT specifications and include long-life components meaning less down-time due to faulty components. Learn more about our individual relays and flasher kits below and feel free to contact us if you have any questions or require a customized solution.