2a thread class right-hand 1.359" overall length 1.094" overall width 20 thread quantity per inch cadmium surface treated box/wall mount external thread unef thread series
2a thread class right-hand 0.906" overall length 1.750" overall width 18 thread quantity per inch cadmium surface treated box/wall mount external thread unef thread series
2b thread class right-hand 1.250" overall length 20 thread quantity per inch cadmium surface treated hood type w/right angle cable entrance unef thread series
2a thread class right-hand 0.640" overall length 1.000" overall width 24 thread quantity per inch cadmium surface treated box/wall mount external thread unef thread series
2b thread class right-hand 2.875" overall length 2.500" overall width 32 thread quantity per inch cadmium surface treated rectangular, open back unc thread series