Paul Yaffe LED Lightning BoltZ Paul Yaffe's Lightning Bolts are Bagger Nation's incredibly versatile, super bright LEDs. The Daytime Lightning BoltZ measure 15mm (19/32) in diameter and you simply drill a hole, bolt them in and wire them up. It's that easy! You can also create your own custom taillight design with the Lightning Bolts. The only limitation is your imagination! Features: 15mm (19/32) in diameter Custom wiring is required Sold in pairs