Terminal Cup blank ABS plastic. #TC-BK.

Blank Terminal Cup made of ABS plastic with foam gasket under the collar.
Size: 5 1/2" x 3 7/8" (139 mm x 98 mm)
Requires cut-out size: 4 5/8" x 3 1/8" (117 mm x 78 mm)  
Six mounting holes diameter: 1/8" (3.5 mm)