ex display free standing chrome body rectangular indicator lamp with amber lens, lens 40mm x 25mm, 40mm deep, mounting by single 10mm bolt through which wire passes. please note that this unit accepts MBC bulbs, which do not have the watts available for 21w/42w electric flasher units. probably more suited for mechanical flasher unit. this lamp have been on our display trailer and have suffered small scratches, scuffs and dents, this is therefore being offered at a reduced price.