Flexible Box Rail Hangers With 1/2 Inch Offset 9 Inch Bolts Plus Flashing Brackets 2 Pack

National # 5024 for wood frame metal clad doors using a 2 by 4 or 2 by 6 lumber frame in rectangular box tracks. Offset 9 inch bolt with 7 inches of thread adjusts door vertically 7 inches and laterally 1 inch from inside the building. Delrin 500cl self lubricating bearings. Packed with 4 washers, 4 hex nuts and 2 washers. Same as N174-268 [#5022] plus two N261-602 [#5151] flashing brackets for 5100 rail. Sold as a pair, capacity 450 pounds per door. 9 inch bolt, 450 pound capacity per pair, flexible, 1/2 inch offset bolt.