Abstract: A shears including a first blade and a second blade acted against each other, and two pivoted actuating bars turned relative to each other to drive the blades, causing them to make a scissors action for cutting things, wherein the first blade has two projecting portions at one end, a smoothly curved side notch defined between the projecting portions, and a smoothly curved cutting edge at an opposite end along one side; the second blade has a neck portion at one end, a smoothly curved locating head extended from the neck portion and turned in the smoothly curved side notch on the first blade to limit the turning angle of the blades, and an anvil at an opposite end to act against the smoothly curved cutting edge of the first blade.