Positive: neater than it looks, 26cm x 12.5cm high x 9.5cm wide (8"x5"x3.5"): simple, quick, and easy to clean: two screens allow choice of either 9 x 9mm or 12 x 12mm chips. Transforms a spud into a set of beautifully neat chips at the pull of a lever.
Negative: requires a strong arm: cannot produce long, thick chips.
In theory, this machine could handle potatoes up to 9cm (3.5 inches) long. In practice, with this size of potato in place, the operating handle is vertical, so one has to start the process by pushing horizontally. Although rubberised feet and a large suction cup (7cm square) on the base give some grip, the force required sends the chipper across the work top, and requires more muscle than most women have. Tall men will find this chipper works well, but petite women may find it a struggle, unless they're prepared to peel small potatoes.
Finally, if you like all your chips to be the same (well, almost the same) length, slice the ends off each potato before chipping.