This is a genuine Lucas DB10 flasher unit relay suitable for an Austin Healey 100/6 Six from 1957-59. It is a high-quality product that is designed to provide excellent performance. The mounting style is screws, and it is a 12V interupter unit with a manufacturer part number of P33117. The flasher unit relay is a classic part that is not suitable for universal fitment and was made in an unknown country or region. It has a model number of 33117 and a reference OE/OEM number of 33117. If you are looking for a reliable flasher unit relay for your Austin Healey, this is an excellent choice.