Heyco 2883 Open/Closed Bushing Black (25 Pack) OCB 1500 BLACK Split design allows side entry and encirclement of preassembled harnesses, power cords, capillary tubes or other assemblies that have segments larger than the bushing's ID. May also be assembled into holes that already contain cable, wire or other filaments. Fingertip pressure snap-locks the bushing into its mounting hole. Locking fingers in fractional increments up to the maximum panel thickness.