Compartment Drawer Insert, Compartment HxWxD (1) 3 25/32 in x 11 19/32 in, (20) 2 27/32 in x 2 21/32 in, Fits Box Depth 12 in, Compartment Depth 2 21/32 in, 11 19/32 in, Fits Box Height 3 in, Compartment Width 2 27/32 in, 3 25/32 in, Fits Box Width 18 in, Number of Dividers 0, Overall Depth 12 in, Overall Height 3 in, Overall Width 18 in, Adjustable Dividers No, Color Gray, Compatible Manufacturer Model Number 123-95, Finish Powder Coated, Number of Compartments 21, Load Capacity 40 lb