Stainless Steel Steak Button Thermometers (Set of 4) - take the guesswork out of getting the perfect rare, medium and well-done steak - use these little steak thermometers in the oven or on the grill - D1″ x L2.16″ - brand new in package - $15 firm INSTRUCTIONS FOR USE: 1. Insert the steak button shaft into the side of the thickest part of the steak The shaft must be fully inserted into the steak. For an accurate reading, the tip must stay in the middle of the steak. 2. Cook the steak over a grill or in an oven as you normally would. The steak is cooked when the needle is exactly aligned with RARE, MED or WELL indicator.