Oatey 31174 Putty Knives, Small Fixture setting compound for setting frames, Faucets, strainer baskets Stays flexible, will not crack or shrink Easily workable, soft, pliable material Fixture setting compound for setting frames, faucets, strainer baskets, etc. Stays flexible, will not crack or shrink. Easily workable, soft, pliable material Meets Military Spec TTP-1536A. Not for use on marble, granite, plastic or any other dimensional stone Soft, pliable formula Compatible with stainless-steel fixtures Easily workable, soft, pliable material Does not stick to hands