Up for sale is a NEW THOMAS & BETTS 8720 2-1/2" CONCRETE TIGHT THREADLESS COUPLING with additional specs outlined below (10 in Stock!) ~ please feel free to email me for price, pick-up or shipping information. * T&B Cat. No: 8720 * Threadless Installation * Material: Zinc Electroplated Chromate Coated Malleable Iron * Trade Size: 2-1/2 Inch * Diameter: 3-15/16 Inch * Length: 5-3/8 Inch * Concrete Tight * UL Listed/CSA Approved * Used On IMC/Rigid Conduit