For the pleasure or performance boater seeking a cost effective yet strong battery mount - we've got the answer. By combining high strength stainless studs with a non-corrosive non-conductive, space age composite base and lid we have created an incredibly durable mount at an affordable price. Large sure-grip knobs make battery removal and installation a breeze with no tools required. Note: Group 27 battery box, #620-124852, will not fit an EverStart 27DC Deep Cycle Battery.