Set of 2 - Flame Tamer Simmer Ring Aluminum Heat Diffuser Distributer Gas Stove Top Stovetop with Wood Handle Simmer Plate with Wood handle For Use on Gas and Electric Ranges Made of Lightweight Yet Sturdy Aluminum Prevents Porcelain and Glassware from Overheating and Cracking Also Great to Protect Pot and Pans from Scorching Measures: Base 8  Diameter - Handle 4-5/8 Long