These Prime-Line Products Bi-Fold Door Surface Aligners are made of steel and coated with a zinc finish. Their universal design allows for easy mounting to the back of lead doors to keep them tightly closed. Stamped Steel Handed - Left and Right Mounts to the back of each leading bi-fold door in a 4 door system Keeps doors aligned and tightly closed Easy to Install



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Product description: These Prime-Line Products Bi-Fold Door Surface Aligners are made of steel and coated with a zinc finish. Their universal design allows for easy mounting to the back of lead doors to keep them tightly closed. Stamped Steel Handed - Left and Right Mounts to the back of each leading bi-fold door in a 4 door system Keeps doors aligned and tightly closed Easy to Install