3.5 inch
The heads take a 19mm socket
12mm Hex
the rim is 13inch on a mk1 (1993-1999)
front are 16cm
Its a hexagonal fitment and should be 12-13mm
they are 6x9 speakers and hard to get out
The Fiat Punto car has different size ranges. Ranging from 1.1 petrol to 1.2 8V. Also 1.2 16V, 1.3 diesel turbo 1.416V, 1.4 turbo, 1.8 hgt,1.9 diesel turbo, and 1.9 multijet. There are also more sizes.
they are 5x7 front and rear. try infinity kappa speakers in this size
The front speakers are 4" and the rear speakers are 6 1/2".
6.5"-6 3/4" Speakers
The rear speakers are the same size of the front. 6.75" but 6.5" will work also