Supplied with 45mm Hole & 29mm Adaptor. Genuine hand made stained tiffany glass. Fits most pendants. Each item is unique due to the way it is manufactured. All our tiffany style lighting is hand made. Initially a large rectangular piece glass is manufactured (1200mm x 600mm). From this the smaller glass is cut to shape. Each glass is then laid into a mould and soldered. Due to this manufacturing process there could be colour variants from glass to glass, making each piece unique