Are your MR16’s retrofit?
The length of conventional halogen MR16 lamps were an average of 46mm and Dia-51mm.
Our 6W Dim To Warm MR16 lamps are considered true fit (Dia - 51mm, Length - 45mm
Our 8W is slightly longer (50mm) and will be suitable for most fittings that have flying lead style lamp holders.
For further details of our lamp dimensions please review the catalogue pages:- https://www.megamanuk.com/products/led-lamps/