Vise

A vise comprising:

• a base having two side walls and a base line for an aligning purpose;
• a pivoting medium having a circular angle scale and two lower side plates one of which is provided with an angular scale;
• a connecting rod pivotally connecting together said base and said pivoting medium and capable of allowing said side walls to fixedly clamp therebetween said side plates;
• an elongate body conditionally rotatably mounted on said pivoting medium and having a first end, a second opposite end having an intermediate hole and side holes, a middlely longitudinal through groove and a second base line capable of being utilized together with said circular angle scale to indicate an angle that said body is rotated with respect to said pivoting medium;
• a movable seat having a lower engaging piece which includes two side extensions and is capable of being slidably guided in said groove;
• two following gears rotatably untranslatably and horizontally spacedly attached to said second end;
• two guiding screw rods respectively passing through said two side holes, screwedly rotatably and respectively coaxially mounted in said following gears and respectively having one ends thereof capable of horizontally spacedly urging against said movable seat;
• a shaft rotatably mounted in said second end and passing through said intermediate hole;
• an active gear mounted on said shaft and meshed between said following gears;
• a driving handle connected to said shaft;
• a first jaw member attached to said first end;
• a second jaw member attached to said movable seat;
• a reinforcing locking member having a threaded hole;
• and
• a bolt passing through one of said side walls to be threaded into said threaded hole and capable of being rotated to assistantly tightly urge one of said side plates against said one side wall.