Hoffman EC12C7 Vert Cable Mgr, Rear Cvr 12"x84" Blk, 84.00x12.00x1.00, AluminumRear cover is an accessory for all CABLETEK¢ Vertical Cable Managers with post and gates. For double-sided managers, covers attach to included post and gates. For single-sided managers, appropriate Post and Gates Kit must be ordered. Product Specifications BRANDHoffman® MANUFACTURERS PART NUMBEREC12C7 CONSTRUCTIONAluminum DESCRIPTIONRear Cover A X B X C MM2134 x 305 x 25 A X B X C INCHES84.00 x 12.00 x 1.00 FITS12.00 x 7.00 in.