Safety door locks with double deadbolts; two pairs of solid deadbolt and locking claw each at top and bottom throw simultaneously upon manual key actuation. Locking: manual ‚¬â€œ Unlocking: manual The solid deadbolts and locking claws are operated via cylinder key. G.U-SECURY DR Advantages: Perfect multipoint locking in double execution ‚¬â€œ G.U-SECURY DR was developed from the proven safety door lock G.U-SECURY SH and G.U-SECURY MR. Two solid deadbolt / locking claw pairs each at top and bottom throw simultaneously upon manual key actuation. G.U-SECURY DR was designed with special regard to quality and safety. The solid deadbolts and locking claws have inserts of hardened steel which make them proof against being sawn through. Increased closing pressure of the door lock achieved by: ‚¬â€œ double deadbolts locking tightly at top and bottom ‚¬â€œ locking claws engaging firmly behind the steel plate in the keeper from below. Tight closing due to optimum force applied to the seals, improved heat insulation and powerful protection against attempts to seperate door leaf and frame by force. Suitable for timber, PVC and aluminium doors. Optimum corrosion protection with hardware surface sealing ferGUard*silver. G.U-SECURY DR 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".