Inquiry (采购产品): extension ladder accesories Good Morning Representative, My name is Franklin Daniel. I am looking for rung locking device(s) for my 36'foot extension ladder. This ladder is made of aluminum,at least twenty years old and the locking device(s)under the rung . **** Hidden Message ***** Franklin Daniel 19124 Company: N/A E-mail: franronn10@aol.com **** Hidden Message ***** franronn10@aol.com