Lighted Button Head Bolts from DEI - These are 12 V straight lighted bolts made from high grade stainless steel and polished to a mirror finish. The light shines brightly through the hex head opening. They can be used for many applications: gauge lights, indicator lights, underhood lights, accent lights etc. They are 5/16in. x 3/4in. polished stainless steel button head bolts and are sold in pairs. Made in the USA.