Gray, non-drip paste for pipe joint threads on lines carrying water, steam, air or natural gas. Prevents corrosion to threads. Never hardens, joints separate easily. Contains no lead, non-toxic. Do not apply to plastic threads. Use Harvey TFE Paste or PTFE tape made of Teflon on plastic threaded joints. Brushtop bottle. Unit: EA UPC: 078864290356 Model Number: 29035