The Ridgid Internal Wrench is an essential tool designed for instances where access to the outer surface is restricted. With the capability to grip pipes ranging from 1-inch to 2-inch, this wrench efficiently installs or extracts Schedule 40 nipples and holds closet spuds as well as various sink strainers. Its jaws utilize a unique resistance mechanism for a secure and tight hold, and they are reversible, allowing for versatility in different sizes. Backed by a full lifetime warranty, this tool combines durability with convenience, making it a reliable choice for any plumbing task.