Concealed Junction Box Repair Device

FEATURES QUICK AND EASY INSTALLATION - Fix loose or damaged junction boxes in two simple steps. Just insert and tighten. Ideal for DIY users and contractors needing fast, secure panel repairs. ONE-PIECE STAMPED STEEL BODY - Durable high-hardness steel forged at 2000°C for extended use. No cracking, deformation, or failure during expansion—reliable structure provides excellent long-term support. STRONG HOLD WITH SERRATED ENDS - Top-point serrated design enhances slip resistance. Prevents loosening over time and ensures a firm grip inside the wall cavity for improved installation integrity. ANTI-RUST AND CORROSION RESISTANT - Surface treated with anti-corrosion coating to prevent rust. Maintains a clean, professional finish even in humid environments, increasing safety and product lifespan. UNIVERSAL FIT FOR MOST BOXES - Designed to fit both 118-type and 86-type concealed junction boxes. Compatible with a wide range of switch sockets and wall installations found in homes and construc