The PT37520200 from PROTOOL is a mains tester designed for medium-duty electrical testing. Crafted with precision and safety in mind, this mains tester ensures reliable performance when checking electrical circuits and outlets. Whether you're a professional electrician or a DIY enthusiast, the PT37520200 provides a convenient and efficient solution for testing electrical connections. Elevate your toolkit with this PROTOOL mains tester, offering a reliable and safe way to check the presence of electrical voltage.