This group of objects belongs to the Platforms category. There are 6 different versions of the wood item, all with a different length which ranges from 1x1 to 6x1.
The weight of this object depends on the specific length of the individual variations. It possesses a weight of 1 for every tile that it fills on the level grid. A 1x1 block of wood for example has a weight of 1 while a 2x1 block has a weight value of 2.