Excellent. I used it to remove/install a room door weighing about 70kg and it came off/went back on very easily without injury or fatigue.

135 kg. In no case, I tried it on the empty home single fridge. When the air pressure in the bag reaches a certain level, you can no longer easily squeeze the hand pump to increase the pressure further, even if you force it, the hose pops out from the connection with the hand pump and the air is lost immediately. Finally, let me say that until the moment the hose popped out, the fridge did not lift even a millimeter. Perhaps the problem with the hose can be overcome with clamps, but the problem with the pump will remain.

It does its job as described. I got 2. I used them to lift the washing machine and dryer (one on top of the other)

Useful tool for many uses inside the house. Not for heavy-duty professional use. My disagreement is with the lifting weight it mentions, 135KG, not even close. I lifted an object, it was about 20 to 30 KG and the pump's bladder had already hardened too much.

Doing a rough calculation, with the air chamber dimensions of 15 cm x 15 cm, the pressure corresponding to a load of 135KG is about 6 bar. (The elongated YT-67383 is slightly larger, 25 cm x 12 cm and the corresponding pressure is 4.5 bar for 135KG).

This pressure is unattainable for the pump's bladder. Also, be very careful, because at high pressures, if a part comes off, for example, the metal valve and hits someone in the face, the result will be bad.

Every time I used it, it did the job perfectly. Mainly, I use it to lift doors in order to lubricate the hinges. I recommend it.

135 kilos it says it can't lift, but it is durable and can lift a lot (about 100 kilos). For amateur use, it does its job comfortably.

It is incredible that with a hand pump, you can lift the weight of a refrigerator/washing machine, etc. Ideal tool for placing anti-vibration bases, etc.