Ingersoll London Line Hook Bolt Mechanism: Euro Cylinder Case Size: 56mm Case Finish: Stain Forend Finish: Brass & Stain Chrome Keys Supplied: 2 London Line from Ingersoll is designed for "ultimate security" and to exceed British Standard BS3621:2004 The mortice lock features a 20mm single throw, drill resistant Hook Bolt and fully enclosed tamper proof case The lock is supplied with the Mul-T-Lock interactive Euro Profile Double Cylinder Can be combined with are own high security D.P.S Euro profile double cylinder for add protection on the keys (See security restricted section) Security features include the anti jemmy attack, boxed locking plate and long plate security escutcheons that also enhances appearance by masking any previous lock prearations Ingersoll London Line mortice hook bolt locks are available in a chrome or brass finish |