Note: the pictured open case is NOT the same. This case comes with egg crate foam. You won’t be able to customise it with a hot knife.
The second pic is the H51 Double Long Gun case. It has customisable foam, as well as wheels and a pull handle.
The H48 is still a fantastic case (I’d rate my H51 better than a pelican) - but take note that you’ll have to buy foam separately to customise the fit.