Durable and Reliable Construction Made from sturdy cast iron with a frosted finish for enhanced slip resistance Resistant to deformation, rust, and oxidation for longlasting performance Designed to withstand years of regular use without shedding or damage Improved Cooking Stability Prevents pans and woks from shifting during cooking Fits securely on your existing stove rack to minimize gaps underneath cookware Promotes even heat distribution for better cooking results Versatile Performance Design Suitable for use on gas stoves, ovens, grills, and over campfires or barbecues Strong enough for heat cooking applications both indoors and outdoors Adjustable Compatibility Fourgroove adjustable design fits most gas stoves Compatible with cookware bases between 8 cm and 17 cm in diameter Firmly holds pots, pans, and woks in place without slipping Precise Dimensions Outer ring diameter: 6.75 inches (17.5 cm) Inner ring diameter: 3.15 inches (8 cm) Slot width: 0.27 inches (0.7 cm) Please check dimensions before to ensure proper fit for your stove Practical Use Scenarios for stabilizing roundbottom woks on flat gas stove grates Ideal for outdoor cooking such as grilling or campfire meals for keeping pans secure while preparing stirfries, deepfried dishes, or delicate sauces