The Superior Tool Plumbers Knife Kit features a durable S.S ; body with an anodized aluminum handle and a quick blade change feature that requires no tools ; The blade is hidden in the handle during storage and is easily accessed with the thumb and locks safely in place ; There is a second slot used for any standard reciprocating saw blade that will convert this tool into a saw ; The tool also features a hardened steel reamer blade for copper and PVC tubing ; The reamer blade is accessed with the thumb and folds back into the handle and is hidden when the job is complete