It is designed to be used on wood-frame sliding doors from 1-1/2 inch to 2 inch thickness. Flexible the slot in top of door strap allows lateral and vertical adjustment. Brand Name: National Hardware Material: Steel Product Type: Flexible Box Rail Hanger Capacity: 225 lb Length: 11 in. Number in Package: 2 pk Width: 5-1/4 in. Packaging Type: Bulk .
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