Gripping tool

A gripping tool, comprising:

• a sleeve ring defining an axis passing through a center thereof, with a receiving groove and a combination portion disposed on two ends of the sleeve ring with respect to the axis, the receiving groove in communication with the combination portion, the receiving groove comprising a guiding portion;
• a clamping assembly disposed in the receiving groove of the sleeve ring, the clamping assembly comprising a plurality of clamping blocks and a plurality of elastic members, the clamping blocks arranged around the axis, each of the elastic members having two ends thereof abutting against two of the neighboring clamping blocks;
• and
• a driving member comprising a first end and an opposite second end, the first end rotatably disposed in the sleeve ring and abutting against the clamping assembly, the second end comprising a concave and stepped connection bore;
• the connection bore divided into a first connection bore and a second connection bore;
• when the driving member rotates with respect to the axis, the clamping assembly slides obliquely along the guiding portion, so that the clamping blocks move away from or toward the axis.