ChemCurb kits include bisected circular pieces with inside diameters of 5 or 7.5 inches, 1-Part Pourable Sealant and M-1 Universal Adhesive & Sealant to complete installation. The Pro Pack® ChemCurb Kits include bisected circular pieces with inside diameter of 5 or 7.5 inches, M-1 Universal Adhesive & Sealant, Pro Pack resin and hardener, a mixing paddle and warranty card.