Safety door locks with solid deadbolts MR = Locking: manual ‚¬â€œ Unlocking: manual The solid deadbolts and roller cams are operated via cylinder key. MR 2 M = Locking: motor-driven ‚¬â€œ Unlocking: motor-driven With the MR 2 M lock, doors can be locked and unlocked from a control centre and also via access control system or radio control system. G.U-SECURY MR 2 G.U-SECURY MR 4 G.U-SECURY MR/R G.U-SECURY MR2M Advantages: G.U-SECURY MR comes with 2 or 4 solid bolts ‚¬â€œ this means 3-point or 5-point locking over the total height of the door. The special feature of this deadbolt: a hardened steel insert makes it proof against being sawn through. With solid deadbolt and deadbolting latch having the same geometry as with G.U-SECURY Automatic, the G.U-SECURY MR accessories used on the door frame are also the same. Entrance doors equipped with the safety door lock G.U-SECURY MR 4 are WK 3 tested. Suitable for timber, PVC and aluminium doors. Optimum corrosion protection with hardware surface sealing ferGUard*silver. Variants: MR 2 (2 solid deadbolts) MR 4 (4 solid deadbolts) MR 2 with safe-T-catch MR/R (2 solid deadbolts and 2 roller cams) MR/R with safe-T-catch MR 2 M (2 solid deadbolts and 2 motors)for motor-driven locking and unlocking G.U-SECURY MR locks are available in the current versions of centres, backsets, forends and spindles for timber, PVC and aluminium doors. For the complete G.U-SECURY range see our order catalogue "Safety door locks, aluminium thresholds and door closers for timber, PVC and aluminium doors".