2.140" overall length 0.240" overall width left side d-shaped socket guide rotated 90 deg, right side d-shaped pin guide rotated 90 deg clockwise from normal
right-hand 1.844" overall length 1.500" overall width 18 thread quantity per inch 4 mtg holes; single thru hole mtg approx 1.250 in. dia cross section dim. of thru portion unef thread series