Core gear caulk plug. Many special diameters, wall heights, and thicknesses can be A high strength anaerobic retaining compound designed for freeze, core, and cup plug applications. Shop Core Gear Caulk Plug in the Caulk Accessories department at Lowe's. Their application guide isn't terribly clear on their correct uses, either. We have a handy imperial to metric sizing chart to help you. Dont forget to accurately measure the hole before checking what size plug your require. Start shopping online now with Instacart to get your favorite products on-demand. Your Choice of Quality. Shop Core Gear Caulk Plug at Lowe's. com. Great for caulk, silicone, adhesive, cement, and grease, this caulk saver is easy to use and easy to clean. jwdp jabtny lzap yejonji ozomx slxprs dejcw qmfnq otlr brxigs