It's very shiny, and the engraving is faint, so it was difficult to photograph (my apologies). It's made of stainless steel, measures 88 x 45 x 20 mm (3-1/2 x 1-3/4 x 3/4 inches), and weighs 54.8 grams:


If you can't make it out, the logo is a fish on top of an onion inside a triangle, with a long arrow looped around them. Below them it says, "DEOS," then below that – not visible in the photo – it says, "FRANCE," inside a box.
I have since found out its intended use, but find it hard to believe. Well, now that I own one, I guess I can give it a try...