Pack of 10 high-quality mains GU10 recessed downlights in a brushed chrome finish. These downlights are fire-rated and feature a twist and lock design for easy installation. They come complete with a terminal block and GU10 lampholder. No transformer is required, as they can be wired directly to the mains. Suitable for use with halogen or LED GU10 bulbs (not included). Each downlight has a 60-minute fire rating and is made from die-cast material. The dimensions are: Height 110mm x Diameter 80mm, with a cut-out hole diameter of 72mm. Please note: Bulbs are not supplied, and this downlight is not suitable for use with I-Joists (Engineered Timber Joists).