Type of accessory/spare part: Luminaire grid; Accessory: Yes; Light sharing: Symmetric; Reflector perforated: Yes; Light distributor: Other; Material: Steel; Attachment of luminaire cover/post globe: Thread; Colour: Black; Length: 96.5 mm; Width: 96.5 mm; Height/depth: 12.8 mm; Diameter: 96.5 mm