Introducing the Stainless Steel Lid Bracket Extension Kit in the 17-19" range. These extension arms are meticulously crafted to seamlessly integrate with the 13" Adjustable Walk-on Lid Bracket featuring a stainless steel base (Coverstar Part #A1932). Specifically engineered to provide robust support for stone and concrete lids, these extension support arms are an ideal addition. It is crucial to adhere to the guideline that the lid should not exceed a length greater than 2 inches beyond the support arm for optimal performance.