Johnson Hardware 1601218P Door Hardware Set, 24"-36" Residential grade - full access bi-fold hardware with optional hinges for heavier panels Multiple uses - perfect for pantries, closets and laundry rooms Patented design - for folding doors, 1-1/8 inch [29mm] to 1-3/4 inch [44mm]panel thickness Easy to install - sets include all necessary hardware for 2 or 4 folding panel installations Made in USA - manufactured in the United States Bi-Folding Door Hardware Sets for standard panel/opening widths. Sets include all necessary hardware for 2 or 4 folding panel installations. 1601 hardware sets will accommodate 1-1/8&#034; [29mm] to 1-3/4&#034; [44mm] door thicknesses. Architectural grade ball bearing mortise panel hinges are available in Bright Brass, Antique Brass, Satin Nickel and Oil Rubbed Bronze finishes. Custom 1601 configurations possible by ordering 1601 components by the piece.