Heavy duty folding door hardware for wood panels. Suitable for 1" to 1-3/4" thick panels. Includes lifetime guarantee. The part number is from the last pic under the bar code, I think? 111FD 48"4DR But I'm not sure - however, it appears to be a 48" track either way... Exclusive Features• ALUMINUM BOX TRACK Convex rails provide one point wheel contact for smooth operation• TRICYCLE HANGER Tri-design insures all wheels carry weight equally• BREATHING HINGES Absorbs shock of fast opening-closing• 4-WAY ADJUSTABLE JAMB BRACKET Allows for carpet installation without cutting• TOP SUSPENSION SYSTEM Easiest floating action Brand new in packaging Tags: diy home repair house
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