Type: B22 to GU10 Light Lamp Bulbs Adapter Converter.
B22 to Gu10 Lamp socket converter
Heat resistant ceramic socket supports up to 3A
Material: flame retardant PC + aluminum; Color: white
Converts a Bayonet B22 Socket to an GU 10 Small Screw Fitting for LED, lamp and halogen
Lamp mouth diameter: 35 mm, total length 50 mm; Suitable for indoor use, long life safe and reliable

Description
Easy to use, no need tools to install, just screwing into existing socket, looks like a part of the socket. Users  Save you a lot of trouble and money of replacing your original lighting fixtures Items are made of metal and heat resistant PBT plastic should ensure that correct items of appropriate voltage & wattage are used and should consult suitable qualified electrical engineer if unsure.