Design Engineering 030305 Lite'N Boltz Accent Lighting - LED Lighted Button Head Bolts - Amber (Pack of 2) 12-Volt Lighted Button Head Bolts offer bright LED lighting for hot rods, street rods, motorcycles, boats, ATVs, and more Made of high grade stainless steel Easy to install and use inside or outside vehicle Useful for map and gauge lights, indicator signals, step illumination, engine compartment lighting, running boards, truck bed guard rails, and dashboard accenting Measures 5/16" x 3/4" and available in 6 vibrant colors