Available in two lengths for 16” or 24” stud bays;1-3/8” wide x 22-ga. high quality G90 galvanized steel;Pilot holes for standard DE 90s and wide enough for securing 3-ear DE 90s;Eliminates cutting and fabricating metal studs or wood blocks;Pre-dimensioned hash marks for quicker, more precise installations;Pre-assembled and fully adjustable with interlocking tab to secure safe overlap and prevent disassembly;Mount to face of studs or bend tabs to recess at 3/4", 1-1/2” or 2-1/2” depths within stud cavity