(2) Standard Gas Strut Pistons Fix Sagging or Non-Functioning Ladders – Ideal for replacing worn or broken gas cylinders that no longer hold your attic ladder open or closed properly. 100 PSI Standard Gas Struts – Designed to support standard attic ladder doors; provides smooth opening and controlled closing. Do not use if drywall is attached to the ladder door—see model 36-81 instead. Genuine Replacement for Werner & Keller Attic Ladders – Includes (2) gas struts, (2) steel straps, and (4) e-clips; compatible with Werner and Keller aluminum attic ladder models: AH2210, AH2210B, AH2210K, AH2210CA, AH2510, AH2510B, AH2510K, AH2512, AL2210, AE2210 Werner Attic Ladder Standard Strut Kit 36-80 (1 Pair) New replacement standard gas cylinder 100 PSI strut kit for Werner aluminum attic ladders. If drywall is attached to the attic ladder plywood door, do NOT use 36-80. Use struts 36-81 since it has a higher PSI rating to lift the heavier door. Struts are shipped as compressed and strapped to 14 inches and expands after installation. Kit Includes: (2) Standard Gas Struts 36-80 (2) Steel Straps (4) E-Clips Installation Instructions Fits: Werner and Keller Aluminum Attic Ladders AH2210 AH2210B AH2210K AH2210CA AH2510 AH2510B AH2510K AH2512 AH2512K AL2210 AE2210