Delta “Competition” Series were designed with professional racing in mind. They are built tough with 20-gauge steel housing, which are stylishly black powder coated or triple-chrome plated for durability and long lasting performance. They feature uni-body construction (no rivets), nothing to come loose. Lights are equipped with protective rubber boots to protect from dust and moisture. The pivotal adjustments provide ease of aiming. The European prismatic lens assure maximum controllable light beam powered by 100 Watt Xenon bulbs. Made in U.S.A Size: 6” dia x 4” deep