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The VMP ER-184-4PKIT 2 Post Expansion Kit converts the ER-184 open frame rack from a two-post to a four-post configuration, adding side stabilizing bars and threaded rear rails for additional weight support and cable management. It's built from steel in a black static-resistant powder coat finish, measuring 20.2"W x 85.25"H x 14.7"D and weighing 22.1 lbs.
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