About the STRAPHOLDRITE 521-118R 1/2" x 20" HOLDRITE COPPER BRACKET W/RAISED HOLE
FLAT; 20 INCH OVERALL LENGTH; 1-1/4 INCH OVERALL HEIGHT; 16 GAUGE THICKNESS; COPPER PLATED FINISH/COATING; 7 HOLES NUMBER OF MOUNTING HOLE/SLOT; 1/2 INCH CTS HOLE MOUNTING HOLE/SLOT SIZE; 521 MODEL; HOLE CENTER DISTANCE 2 INCH; EXTRUDED FOR EXTRA STRENGTH