Purchased to a house power conditioner, wireless unit, pre amp & rackmount tuner for bass guitar. This is a well made product with quality fittings. Butterfly catches, one recessed carry handle on each side. Lifetime guarantee. Front and rear racks. All threads in the racks well cut for the rack screws supplied. I mounted the wireless unit (Line 6 G55) at the bottom of the rack & it is possible to put the lid on without having to take the antennae off. First impression very good. No 'cons' so far!