The TERMINATOR 4" Thin Snail Lock (also known as a snail lock backer pad or flange) is a specialized tool adapter designed for high-efficiency stone fabrication and edge polishing. It serves as a connector between power tools, such as angle grinders or automated polishing machines, and diamond polishing pads. Key Features Quick-Change Mechanism: Features a "Twist & Lock" design that allows users to swap polishing pads in seconds without additional tools. Durable Construction: Typically constructed with a rigid aluminum base or a hybrid of aluminum and rubber to provide stability while absorbing shocks during polishing. Vibration Dampening: Often includes a rubber insert or cushion designed to reduce vibrations, which helps prevent hand fatigue and protects the machine's motor in case of a jam. Central Water Hole: Many models include a center hole to allow water flow for wet polishing applications, preventing stone burning and extending tool life. Technical Specifications Diameter: 4 inches (100mm). Thread Type: Standard 5/8"-11 brass threads for North American tools, or M14 for international machines. Max RPM: Generally rated for high speeds, often up to 10,000 RPM (though 3,000–5,000 RPM is recommended for most stone types). Material Compatibility: Optimized for use on granite, marble, engineered stone (quartz), and concrete surfaces. Applications Edge Polishing: The thin profile is ideal for detail work and achieving flat, straight edges on countertops. Automated Machinery: Specifically engineered to withstand the high pressure of automated C-frame and inline polishing machines. Manual Polishing: Can be used with hand-held wet polishers or angle grinders for finishing and detailing.