To easily adjust a notch length by forming indents or the like of graduations or the like being a reference of a kerf on blades of scissors or its peripheral parts.

A measure being a notching reference is written and carved on a blade part peripheral part 2 of a scissors main body 1, and its opening angle is adjusted, and a notch length can be measured and adjusted. An L-shaped bar 4 whose angle can be steplessly adjusted is installed by loosening a thumbscrew 5, and an opening angle of the scissors, that is, a notch depth can be fixed. Accordingly, when a kerf is carved by using the scissors, a reference line is marked by measuring it, and even if it is not cut along its line, a straight line or an angle is given, and a kerf can be carved very often in the same depth.