"I don't usually review products. This is so easy, it's unreal. I was going to use a spade bit, but going through a piece of 4x2 and 4x4 clamped together, my spade wasn't long enough. This bit has eaten through my whole project and still like new. But one!"
The 12mm diameter augur drill bit I bought has a chuck end which is also 12mm, so it did not fit my 10mm drill chuck. This was annoying as the photograph shows the chuck end to be much slimmer. Indeed, I possess other larger diameter augur drill bits (13 and 14mm diameters), but the end that goes in the chuck is only 6.2 mm diameter & so is fine. I was expecting my purchase to be something similar - quite annoying when photograph doesn't match the product, particularly in this case."