Package Included 10 round nickel plated metal bulb holders and 10 ceramic GU10 sockets and 10 metal rings. The mounting frame can be rotated up to 40, allowing you to adjust the bulb to an angle that suits you.[Product size] thickness 0.8mm, diameter of incision 88-25mm (excluding bulbs).HIGH QUALITY CONNECTOR PLUG Double insulated, 13cm long cable, heat resistant. 3-way power terminal block, VDE certified ceramic GU10 socket. Prevents wires from fraying due to heat, as well as the risk of electrical leakage. For safe and reliable use.Use with bulbs The mounting frame is compatible with many types of bulbs LED, halogen or any other type of GU10 bulb. You can therefore replace it as many times as you wish while keeping the same frame, provided that it is a 50mm diameter bulb. NOTE Bulb not included.