28-14 Extension Ladder Replacement Rung Lock Kit - for Werner Extension ladders Includes:(2) Aluminum D-Rung Locks with Pivot Plates, Springs and Flippers,Mounting Hardware : Amazon.ca: Tools & Home Improvement
Werner 28-ft Type 1A - 300 lbs. Capacity Fiberglass Extension Ladder | Lowe's Canada
Werner - 28' High, Type IAA Rating, Fiberglass Extension Ladder - 62160510 - MSC Industrial Supply
Werner 28 ft. Aluminum D-Rung Extension Ladder with 300 lbs. Load Capacity Type IA Duty Rating D1528-2 - The Home Depot
Featherlite 28' Aluminum Extension Ladder
Werner 28 Ft. Aluminum Extension Ladder with 225 Lb. Load Capacity Type II Duty Rating | Do it Best
Werner 28 ft. Aluminum Extension Ladder with 250 lbs. Load Capacity Type I Duty Rating D1328-2 - The Home Depot
GRONGU Extension Ladder Lock Kit 28-11 Compatible with Werner Aluminum Extension Ladders Fit for Werner Aluminum 24 ft, 28 ft, 32 ft Extension Ladder Rung Lock Kit Aluminum Extension Ladder Parts :
Featherlite 28' #2 Aluminum Extension Ladder | Home Hardware