For doors 12 in. to 18 in. wide, 1-3/4 in. thick, weighing up to 30 lbs.each. 14 to 16 gauge, zinc dichromate plated steel parts. Control arms can be adjusted accommodate non-standard door panel widths. Set includes (1) 1601 control arm, (3) 1605 hinges, (3) 1703 hinges, (1) 1513 door stop, (5) 1808 door aligner and (1) 33 door knob.