Tubular deadbolt ME152T Used with the CY411 double cylinder and the LC802 tubular deadbolt lock case. Operated from both sides of the door by a key. This product has ABLOY PROTEC² -lock system. ABLOY PROTEC² is a factory level locking solution. Every key is carefully controlled and is only made at Abloy Oy's factory. The keys have a patented sliding element that increases key security. One key fits several locks. How many locks a single key opens and who has access to what, can be accurately controlled. Available with several different key systems and surface treatments. UL listed. Specifications Type of product Mechanical bored lockset Platform ABLOY PROTEC2 Close Cylinder CY411TDouble cylinder for tubular deadbolts. ABLOY PROTEC² lock system. Cylinder CY404TRound ANSI cylinder. ABLOY PROTEC² lock system. Cylinder CY409TKey-in-knob cylinder. ABLOY PROTEC² lock system.