This Optima Benchtop Shelf Storage System is a perfect addition to your bench and will double your storage/organizer area. Side drawers are handy storage spaces for small tools. There is divided shelf space for burs, a support bar for pliers, pre-drilled stand for burs, and flat shelf space for larger hand tools. 108 holes for burs, rack for pliers. 7 divisions on right top, 3 middle compartment, 4 drawers and under storage.