Though aimed mainly at the boating fraternity, Kamasa’s new floating screwdrivers would no doubt be useful for many farmers too.

They come in two sizes, a flat 6mm and a Phillips Ph2.

Both are 100mm long and have a bright yellow cap so that they can easily be seen as they bob about in puddles, ponds, water tanks and slurry tanks until they are retrieved.

They are manufactured from stainless steel so they will not corrode.