Hercules | sku: 461462 Hercules 300 Deg.F Plumbers Grease Valve and faucet stem grease; petroleum oil based. Lubricates stems of valves, faucets, and ballcocks. Excellent for steam and hot water plumbing. Won't melt. Non hazardous. Waterproof. Prevents corrosion. Withstands temperatures from minus 20 deg to to... Log in for pricing