Features STEEL DRILL BIT: This interlock kit provides steel 3/16 bit, can easily pass through the circuit breaker panel without the need for a control box or wiring. ALUMINUM ALLOY PANEL: The interlocking panel is made of aluminum alloy, which is corrosion and oxidation resistant, can be used for a long time. COMPATIBLE BREAKER: This generator interlock kit is compatible for Homeline Meter Main 150 Amp or 200 Amp circuit breakers. EASY INSTALLATION: Equipped with screws, nuts, drill bit, straps, and stickers, the generator interlocking panel is easy to install and remove. MAIN PURPOSE: Used to safely guide generator power to any circuit in your home, avoiding inconvenience caused by unexpected power outages. Specification: Item Type: Generator Interlock Kit Model: SD200SA Material: Aluminum Alloy Package List: 2 x Interlock Panels2 x Nuts2 x Screws1 x Drill Bit2 x Ties2 x Stickers1 x User Manual Package List 2 x Interlock Panels 2 x Nuts 2 x Screws 1 x Drill Bit 2 x Ties 2 x Stickers 1 x User Manual