BRASS Recessed Fixed Downlight, Twist and Lock. Die Cast Aluminium, Pre-Wired With 230V GU10 Lampholder. Optional 12V MR16 Lampholder Included. 50W MAX(Lamp Not Included) IP20.
Dimmable With Compatible Halogen and LED Lamps. Cut Out 70mm

Dimensions:

Diameter: 79 mm
Height: 23 mm
Minimum Void: 95 mm
Overall Height: 90 mm
Cut Out Diameter: 70 mm