These 100% 304 Marine Grade Stainless Steel Thermometers are perfect for steak or chops. Rare, Medium Rare, Medium, Medium- Well, or Well Done. Now you'll always know with these Magma Steak-O-Meters. 4 Individual Steak Thermometers with Easy to Read 1 inch diameter dials indicate the exact Level of "Doneness". No more guessing. Cool Touch Silicon Rims keep Thermometers cooler to the touch.