G & P Tools Test Plug Sure Lock Tool (99-366-1070) is a service tool from G & P Tools intended for pool, spa, bath, or equipment maintenance tasks. It is useful when the correct specialty tool helps remove, tighten, align, test, or service parts without damaging surrounding components. Use part number 99-366-1070 when matching this item to an existing component, owner’s manual, parts diagram, or service record. Having the proper tool on hand can make repairs cleaner, faster, and more consistent.Confirm the tool style and application before ordering. Use it according to the equipment service procedure, and avoid forcing fittings, covers, or fasteners if the tool does not seat correctly on the part being serviced. Genuine or listed G & P Tools replacement option for Tools applications Designed for matching by part number, equipment model, and physical configuration Useful for repair, rebuild, routine maintenance, or replacement service Compare size, voltage, color, connection type, and model details before ordering Professional installation is recommended whenever electrical, gas, pressure, or code-sensitive work is involved