Working space in product description not correct.

According to the site, the 420 has a working space of 420 x 210 x 80 mm
In the additional information, the stated working space is: 420 x 300 x 140 mm which is more accurate imo.

I guess this is an error in the products description, even the 600 has a working space of 600 x 210 x 80 mm which can't be right.