Sorry guys for the late reply.
There the 45 mm LED lights.
my wholesaler checked up with them and thats the price they gave,he's normally very good aswell.
He also contacted Collingwood lighting who he deals with and they specialise in LED's and they said it was unlikely there drivers would fit as they'ed have different plug.These are a pin of 1.5 mm dia and a spade of 3.5 mm width.
I'm gonna try the ELV tranny and if I knack them just buy some more as a new pack is the same price as driver.
Could get them going for £4 if the tranny works tho,I think the client will be up for the gamble.