I don't think you are going to find the answer on his site, you should rephrase the question. A karabiner is a gun, and I don't think this question has anything to do with a gun.
This product is rated by its manufacturer as supporting a maximum weight of 40 pounds.
The amount of weight a pulley can hold depends on its design, materials, and construction. Typically, pulleys are rated to hold loads ranging from a few pounds to several tons. It is important to check the manufacturer's specifications to ensure that a pulley is being used within its weight capacity to prevent damage or failure.
It will be printed with how much weight it can handle on the side of the bar.
it can hold as much weight as it can handle
112lbs
A Command Strip can typically hold up to 7.5 pounds of weight.
Paper can hold exactly 4.5 kg
it can hold up to 2 gallons
Gorilla Super Glue can hold up to 30 pounds of weight.
The Golden Gate Bridge can hold up to 38,000 tons of weight.
The answer is simple, the amount of weight a boat can hold depends on how big your boat is the bigger the boat the more water it displaces the more weight it can hold.
90lbs