The stanley sortmaster organiser bonus pack contains the following 1 x sortmaster organiser offers a great deal of storage flexibility removable dividers allow a combination of tools and small parts storage it has a special lid structure where the upper ribs interlock with inner dividers keeping small parts in place and preventing movement from one compartment to another a top lid lock keeps contents secure inside dimensions 430 x 90 x 330mm 2 x stackable sortmaster junior organisers offers 512