Werner 28-18 Rung Lock Kit - Set Of 4 For Extension Ladders

Werner 28-18 Rung Lock Kit (Set of 4) for Extension Ladders Set of 4. This kit will NOT fit on 2 piece extension D6200-2 Series. For Fiberglass Ladders. Hardware Included. *Note: Actual product may visually differ from image shown. Fits on the Following Model(s): D6216-3 D6220-3 D6224-3 D6228-3 D6232-3 Finding MK or Mark Number: For ladders manufactured after 2001: Locate your ID Label to identify your model and mark numbers as show in the illustration. On an attic ladder, if you don’t find a label that includes a mark (MK) number and a label or ink stamp indicates that ladder was manufactured by Kentucky Ladder or Werner Ladder use 3 as your mark number. Please note: this can only be applied to attic ladders For ladders manufactured before 2001: Locate the Code Stamp to determine the mark (MK) number. Fiberglass Stepladders – code stamp is on the underside of the bottom step Aluminum Stepladders – code stamp is located under the bottom step or on the inside of either side rail below the bottom step Fiberglass Extension Ladders – code stamp is on the outside of the aluminum rail shield at the foot of the ladder Aluminum Extension Ladders – code stamp is located within 4 feet from the bottom on either the base or fly section. Once you have located the code stamp, determine your mark number, it will be the first two digits following the first letter as shown.