Mul-T-Lock's multi-patented MT5 mechanical platform from Calgary Lock & Safe integrates advanced technology for premium security together with heighten key control. As leaders in High Security locking solutions, Mul-T-Lock's MT5 platform is designed for maximum protection, flexibility and convenience to address the needs of customers in any industry.

MT5 and MT5+ combine protective elements to create either a double or triple locking mechanism to provide the highest levels of locking security. Mul-T-Lock's innovative well-honed telescopic pin technology make it highly effective and reliable. The patented Alpha Spring, a special mobile element located at the tip of the key, engages an additional level of security for enhanced protection. The plus in MT5+ is a powerful side bar locking mechanism, which interacts with unique horizontal finger pins for extra protection.