Additional Details ------------------------------ Product description: 6353 Finish: Matte White Features: -Basic cylinder.-Housing: 0.040'' aluminum.-Pivot mounting: Tensioned; 350 stop.-Movable brass contact: Extends for connection to 2nd circuit in advent lytepsan track.-Lever: Energizes unit.-Expansion clamp: Fingertip squeeze-release for quick attachment; thumbscrew lock for rigid mounting.-Polarity keyway.-Yoke: 0.093'' steel. Options: -Available in Matte Black or Matte white finishes. Color/Finish: -Lytespan attachment fitting: Molded polycarbonate .075'' wall thickness. Integral color.-Multi-Groove baffle: Compression-molded high heat phenolic with stepped conical surface for low brightness. Integral black finish. Specifications: -Trunion mounting: Tensioned with internal spring washer and vibration resistant nut. 90 vertical adjustment.-Accommodates: 1 x 250W PAR38. Dimensions: -Overall dimensions: 12.5'' H x 6.13'' W. Material: Steel