Halex 25803 3/8 Inch Cut in Connector 5 Pack

5 pack, 3/8", mc/BX cut in connector, connects metal clad or armored cable in old work electrical box installations, no tools are required when assembling to the cable or box & the anti-short bushing is pre-assembled, will not fall out during transit or installation, after installing the old work box in the wall & fishing the cable through the box, simply snap the cable to the fitting & snap the fitting into the box, easily removed without tools & it is reusable.