Lawrence Zarb wrote:
I need to cut out a section of breeze block 300 x 300 x 50mm deep.
What is the best tool to do this, as neatly as possible..?

Dusty...

an angle grinder, if you can go the same depth all round with it the back
section will be almost completly flat after using a bolster chisle and
hammer on it to chip out the remaining inner block.

--
Sir Benjamin Middlethwaite