2pcs Serrature per Scale di Prolunga,Kit Blocco a Gradini in Alluminio Prolunga Accessori Scala
28-11 Rung Lock Kit for Aluminum Extension Ladder Locks 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.