The ABUS KE50PS Euro Thumbturn Cylinder in 40mm x 40mm configuration (80mm overall length) is the longest option in the range, perfectly suited for thicker doors, doors with substantial trim, or installations requiring extended reach on both sides. This size ensures proper operation even with decorative door furniture or reinforced frames. The integrated pre-snap function with defined predetermined breaking point provides superior security against forced entry attempts. When excessive force is applied, the cylinder breaks at the controlled point, maintaining your door in a locked state to protect your property. Manufactured from high-quality materials with rustproof internal components, this cylinder delivers reliable long-term performance. The paracentric key profile offers enhanced protection against picking attempts. Featuring a thumbturn on the internal side for convenient key-free exit, this cylinder combines security with daily practicality. The durable nickel finish resists corrosion. Features and Benefits: • 40mm x 40mm configuration with 80mm overall length • Ideal for thicker doors and substantial door furniture • Pre-snap function ensures door remains locked under attack • Rustproof internal parts for lasting reliability • Paracentric key profile resists picking attempts • Internal thumbturn for convenient operation Specifications: Cylinder Type: Euro Thumbturn Finish: Nickel Internal Measurement (mm): 40 External Measurement (mm): 40