Mechanism: A heavy-duty mortise locking system, often available in a 4-pin cylinder configuration for enhanced security against picking and tampering.Design: Features an ergonomic lever handle (often the 362 MAB model) designed for a comfortable grip and a premium, Victorian-style aesthetic.Durability: Constructed from high-quality materials (such as zinc alloy or stainless steel) that are rust-resistant and anti-corrosive, ensuring long-term use in various environments.Compatibility: Suitable for door thicknesses typically ranging from 35mm to 45mm.Components: The complete retail set generally includes the handle pair, mortise lock body, key cylinder, and multiple precision-cut keys.