Have any builders used a 1/8 inch hole punch rather than a 3.2mm drill for making the holes in the aluminium panelling ? It seems like it would be a lot quicker and would not need de-burring. Any views ?
These look like an ingenious solution to the spacing problem - I can't tell the difference between the two pictures - they both look the same to me !! ?? - Would you recommend the Small, the Large or both...?