Features a 21 hole removable compartment box. 20 compartments for storing small parts and components and 1 compartment for storing tools. 16 rubberized wire grommets provided to keep wire free from tangling making for easy access. Grommets accommodate up to 10 gauge wire. Accommodates (24) 3-1/2" spools. 6 rods for wire spools, perfect for maximizing your small wire storage space. Modular with Durham Small Bearing Rack Cabinets. Compatible with base H315-95. FOB Shipping Point.