Werner 55-1: Fits all Werner made attic ladders 2006 and Older.
If you don't have a Werner attic ladder the 55-1 will not work on your attic ladder.
The 55-1 includes (2) hinge arms, Hardware, & Instructions.
Pivot Plates are not included with the 55-1.
Use existing pivot plates or don't use them at all, more information in the 55-1 instructions.