Bench vise size considerations • MIVise
So a "little" ″ jaw vise is almost the match for the Bessey 6″ vise in every way except for jaw width. I don't have a Bessey to compare, but I wouldn't be surprised if the spindle diameter and handle dimensions are similar to the 350S, which could make them have very similar clamping abilities, assuming the Bessey uses an Acme thread on the spindle to keep things similar.