Ridgid 76767 55 Gallon Extreme Performance Plus Threading Oil Low Odor ExtEnded Die Life cools Threads and pipe during operation . Speeds metal removal . The Performance Plus Thread cutting oils are free of chlorine and other halogensPCBs and heavy metals. High performance mineral oil formulated to produce superior quality Threads on stainless Steel and black pipe. Water Washable - Synthetic Thread cutting fluid cleans easily off concreteclothingand piping With waterand also is Biodegradable.