Hand held exercising device that is assembled solidly

An exercising device, comprising:

• a main body having an elongate cord and a grip;
• and
• a weight unit adjustably mounted on the cord of the main body;
• wherein the weight unit includes:
• a connecting block mounted on the cord of the main body;
• and
• a weighting block mounted on the connecting block;
• the connecting block of the weight unit has a first end provided with a head portion and a second end provided with a mounting post;
• the mounting post of the connecting block has a tapered shape;
• the mounting post of the connecting block has an outer wall provided with an outer threaded portion and has a peripheral wall provided with a plurality of elongate slits;
• the connecting block of the weight unit has an inner wall provided with a mounting hole mounted on the cord of the main body;
• the weighting block of the weight unit has an inner wall provided with a pressing hole pressing the mounting post of the connecting block toward the cord of the main body to lock the connecting block onto the cord of the main body;
• the pressing hole of the weighting block has a tapered shape matching that of the mounting post of the connecting block;
• the pressing hole of the weighting block has a periphery provided with an inner threaded portion screwed onto the outer threaded portion of the mounting post to lock the weighting block onto the connecting block.