4 SQUARE STEEL STUD BOX WITH KNOCKOUT & BRACKET
VISTA 4 SQUARE STEEL STUD BOX WITH KNOCKOUT & BRACKET 52171-KSSX-1
Wraparound bracket for 2 1/2 and 3 5/8 steel stud. Support bracket for steel studs. Brackets recessed for 2 layers of 1/2 drywall. 11 x 1/2 knockouts (4 on bottom, 7 on sides). 5 x 3/4 knockouts (2 bottom, 3 on sides).