"The Ridgid 41280 Jaw for Plastic Pipe is a product which is used primarily with Ridgid pipe wrenches for the tight clamping of plastic pipes while installing or working on them. A new generation of such tools is characterized by the presence of a cutting edge in the form of sharp teeth that allow for a rigid clamp with a non-slip surface, which makes it possible to apply the necessar... https://www.wholetoolbox.com/ridgid-41280-jaw-for-plastic-pipe