Home > Shop > Electrical > Wiring > Boxes Boxes 2-1/2"D 1 GANG STEEL STUD ELEC BOX w/U-CLAMPS Item #: 25129110 $7.40 ea. Add to Cart OCTAGON STEEL STUD ELEC BOX 4x1-1/2" w/A-CLAMPS Item #: 25131015 $4.15 $2.35 ea. Add to Cart SQUARE STEEL STUD ELEC BOX 4x4x1-1/2" Item #: 25132920 $4.10 $2.35 ea. Add to Cart SQUARE STEEL STUD ELEC BOX 4x4x2-1/8" Item #: 25134825 $5.90 $3.44 ea. Add to Cart ELEC BOX SUPPORTS Item #: 25136730 $0.85 ea. Add to Cart 2x3" ELEC BOX EXTENSION ADJ TO 7/8"D Item #: 25138635 $7.50 ea. Add to Cart 16" BAR HANGER FOR ELEC BOXES Item #: 25142445 $2.30 $1.32 ea. Add to Cart Page of 3