Clean design. Functional form. Designed with minimalistic form to create a close fit with LED lamps;Units adjust horizontally up to 350° and vertically up to 90°;Front re-lamping for easy maintenance; Permanently-tensioned trunion mounting allows rings to remain fixed at any angle Classic Gimbal Ring style Track Heads feature minimal, functional forms with cleanly detailed yoke and ring-shaped lamp holders for PAR20, PAR30, and PAR38 lamp sizes. Compatible with Lightolier Basic and Advent Track Systems. Adjustable brass contacts extends for connection to 2nd circuit in Advent Track;Available in PAR 20/30/38 lamp sizes;Available in white or black finishes Fashion;Food and Large Retailers