Cleans threads on hose taps. Eliminates the need to replace the hose spigot. For hose Bibs and male hose ends. Hardened plated steel for corrosion resistance. Use with 3/8" Socket drive or wrench. Use with 3/8" Socket drive or wrench cleans threads on hose taps eliminates the need to replace the hose spigot for hose Bibs and male hose ends hardened plated steel for corrosion resistance.