Oatey 3 lb. Plumbers Putty. The Oatey 3 lb. Plumber's Putty is an easy to mold compound designed for use with stainless-steel sealing applications such as frames, faucets and strainer baskets. Be sure to avoid the use of Plumbers Putty on plastic, stone or dimensional stones. This Putty will not harden, shrink, or crack.