Set of four Quantum sliding glass doors in white oak from the Slide & Fold line. Factory-finished panels were never installed (open box). Clean glass and frames; no track or hardware included. Sold together as one lot. Premium custom maker noted for architectural wood door systems. All 4 are the same size: 43 3/4″ X 10′ 1/2″ x 2 1/4″. $5200 for all 4 pieces. Excellent, as new condition.