Arlington Cable Connector, 2-Screw, 3/8 in Trade, 1/2 in Knockout, Cable Openings: 0.44 to 0.75 in, Aluminum/Steel/Flex/AC/AC90/MC/MCI-A Cable, Threaded x Screw Connection, 90 deg Angle, Die Cast Zinc, Silver, 1.8 in L x 1.325 in W x 0.75 in H Dimensions