construction for lasting use Made from quality materials to deliver durability and reliable performance during repeated electrical repairs. Stainless steel construction provides strength and resistance to corrosion, so the tool holds up to heavy use. Built specifically for switch and socket cassette repairs Designed to meet common and replacement needs for switch and socket cassettes. Practical and efficient tool set that simplifies alignment, tightening, and securing of components in standard electrical boxes. Upgraded support and secure fastening The dark box repairer uses an improved design with stronger support to hold parts steady while you work. Extended tops on both ends expand and allow screws to be tightened securely, preventing loosening or falling off after installation. Why this tool solves real problems Prevents loose switches and sockets by providing firm, stable support during tightening and reassembly. Reduces rework and callbacks by ensuring screws and fittings remain secure over time. Saves time compared with improvised tools or repeated attempts to align and fasten cassette components. Key attributes Function: and replacement of switch/socket cassette components; stabilizing and tightening screws during installation. Material: stainless steel for strength and corrosion resistance. Performance: durable, reliable under frequent use; upgraded support and expandable ends for secure fastening. Compatibility: intended for use with standard switch and socket cassette installations and repairs. Typical use scenarios Home electrical : or resecure a wall switch or outlet cassette without having to dismantle surrounding trim or rely on makeshift tools. Maintenance in commercial properties: quickly stabilize and tighten loose sockets and switches in offices, retail spaces, or apartment units to reduce service calls. Renovation and installation: hold and align switch/socket cassettes during rewiring or panel upgrades, ensuring screws are tightened and components remain fixed. This tool is a practical, durable choice for electricians, maintenance technicians, and DIYers who need a reliable solution for switch and socket cassette and installation.