Aluminum Extension Ladder Locks for Werner 28-11 Rung Lock Kit - Amazon.com
ChangTa Flipper Replacement Kit 29-1 Compatible with Werner Flipper Kit for Werner/Louisville/Keller Aluminum & Fiberglass Extension Ladders Parts, Black (Pack of 2) - Amazon.com
Extension Ladder - American Ladder Institute
WERNER 28-18 RUNG LOCK KIT - SET OF 4 FOR EXTENSION LADDERS
Rung Lock Kit | Louisville Ladder
BAUER LADDER 07050 Rung Lock for Bauer Fiberglass Extension Ladders with D- rungs | eBay
D1216-2 | Extension Ladders | Werner US
Extension Ladder Replacement Rung Lock Kits and Parts | Ladder Products LLC
Werner Aluminum Extension Ladder Rung Lock Kit - Model 28-11
Rung Lock For Bauer Aluminum Extension Ladders With D-rungs | Bauer Corporation
Louisville® PK100M Replacement Rung Lock, For Use With Louisville® AE1660 Extension Ladder | Dillon Supply
How to fix extension ladder rung lock? The black 'flipper' is stuck in the closed position somehow and now doesn't allow the ladder to extend (pic 1). Should look like the second