The Big Daddy thermometer is a long dial-type thermometer perfect for brewing and winemaking. With a 12" stainless steel probe for easy and safe temperature taking, it reads quickly and is easily calibrated by adjusting the nut at the base of the probe when it is immersed in boiling water or ice water. It also comes with a handy clip that allows you to attach it to the side of your brew pot for easy storage on your brew day. A staple in the brewer's tool chest, the Big Daddy has proven its worth time and time again to brewers all around the world.