Large design fits more stove knobs than our competition. Compatible with stove knobs - up to 2.5" Diameter and 1.75" Height. Bottom Hole Diameter: 1.35". View images for reference. Our child safety stove knob covers features a clear design that blends into any style décor. Strong, hinged lid for easy adult access, while remaining baby proof. Durable and heat resistant. Easy to install and remove from your oven. Manufacturer's lifetime warranty covering defects