A shower cartridge removal tool is a specialized tool designed to facilitate the safe and efficient replacement of shower cartridges. It typically features a slotted or keyed head that fits into the slots or grooves on the cartridge, allowing the user to extract the cartridge from its housing with ease. The tool is commonly used by homeowners, plumbers, and bathroom repair professionals to access and replace malfunctioning cartridges in various shower systems, including Moen, Delta, Kohler, Grohe, and Sterling.