Hand tool with a scale

A scale of a hand tool comprising:

• a first end formed as a head having a fixed jaw integrally extending therefrom and a movable jaw movably mounted in the head to be adjustably moved relative to the fixed jaw, a worm gear rotatably mounted in the head and engaging with the moveable jaw for driving the movable jaw to adjust the distance between the fixed jaw and the movable jaw, two opposite surfaces respectively formed on both sides of the head and each surface having an edge adjacent to the movable jaw, a series of scale lines formed on each of the two surfaces, each of the scale lines forming an angle with the edge of the surface and the angle being less than 90°, a scale numeral respectively disposed near the distal end of each of the scale lines and perpendicular relative to each of scale lines, an indicator disposed on the movable jaw for pointing out a corresponding scale numeral of the scale lines;
• and
• a handle formed as the second end;
• whereby, the scale lines and the scale numerals are easily recognized by a user when the user grips the hand tool.