The SharkBite Safe Seal Tool is a pipe deburring and depth setting tool designed for use with Copper, PEX, or CPVC Pipe. The tool will accurately mark depth and debur pipe to ensure proper installation when using the SharkBite Push-To-Connect Fitting range. Insert pipe into appropriate slot from 1/4 in. to 1 in. Pipe and rotate tool to debur the pipe, then mark a ring around the pipe to indicate proper depth for SharkBite Fitting to ensure a perfect seal.