Kit, Rack Grounding, 19in Rack, Includes, 2x White Insulators,

20x #12-24 x 1/2in Zinc-Plated Screws, 4x #12-24 x 5/8in Zinc-
PlatedScrews & Flat Washers, 2x Ground Labels, 1x Horizontal

Ground Copper Busbar, for 2- or 4-Post Racks