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Drop bolt

When a conventional lock with a mechanical locking system doesn't meet requirements with regard to security or convenience, a door bolt as a supplementary locking device is often the best solution. effeff door bolts are also recommendable as an additional security measure due to their compact design. The effeff door bolt range includes models which are suitable for use in both private and commercial buildings. The many different installation types and slim designs enable these bolts to be fitted to nearly all types of doors, from standard doors through to glass doors.