Adjustable clamping tool

The utility model relates to the technical field of clamping tools, and discloses an adjustable clamping tool which comprises a clamping mechanism, a supporting mechanism is arranged on the lower side of the clamping mechanism, the clamping mechanism comprises a fixed support and a sliding clamping block, a positioning connecting block is arranged on the lower side of the fixed support, and the sliding clamping block is arranged on the lower side of the fixed support. A plurality of functional grooves are formed in the surface of the fixing support, and limiting holes are formed in the positions, located in the middles of the functional grooves, of the inner side of the fixing support. According to the utility model, the clamping frame is placed in the functional groove, and the positions of the magnetic attraction sliding blocks can be adjusted by rotating the adjustable handle, so that the positions of the plurality of magnetic attraction sliding blocks can be adjusted according to the scale marks, the inte