A skein of wool can come in different weights. There is not a specific amount of wool needed in a skein.
The weight of a skein of wool can vary depending on the type and brand. Typically, a skein of wool can weigh between 50 to 200 grams. It's best to check the label on the skein for the exact weight.
Skein is a non-standard length of spun fibre, which can be wool or any other fibre.
A bale of wool. Or a skein of wool.
Skein
A bale of wool
hank
Collective nouns for wool are a bale of wool or a skein of wool.
A group of wool is typically referred to as a skein or a ball of wool, depending on its form. A skein is a length of yarn wound in a loose loop, while a ball is yarn wound into a round shape.
The term skein describes a loosely coiled, arbitrary length of some thread. It is NOT a unit of measure and hence has NO fixed length or weight.
The term 240 gr indicates the total weight of the skein of wool.
A small amount of wool yarn is typically referred to as a hank rather than a skein. A hank is a looped bundle of yarn that needs to be wound into a ball before use. A skein is a different form of yarn packaging and usually contains a larger quantity of yarn.