B22 male to E27 female socket light bulb adapter. The shell is made of flame-retardant PC material, with heat resistance, anti-aging properties, and excellent insulation. The nickel-plated iron light socket has high hardness. High-quality products ensure high safety and long durability. Applicable to E27 type light bulbs, a practical lighting fixture. Specifications: Condition: New Material: Flame-retardant PC Color: As shown in the image Top Diameter: Approx. 3cm / 1.18" Bottom Diameter: Approx. 3.8cm / 1.50" Height: Approx. 6.1cm / 2.40" Temperature Range: 250℃ Weight: Approx. 65g I opened it, but it didn't fit my home, so I'm selling it. Thank you for looking.