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Cylinder lock insert with knob GERDA GAŁKA 30-40 mm brass
Summary description:
GERDA GAŁKA cylinder insert with knob, size 30–40 mm, brass finish. Designed as a lock cylinder component for doors where a knob-operated inner side is required. Provides mechanical access control as part of a door locking system; suited for residential and commercial entrance or interior doors that accept a 30–40 mm cylinder. Easy to install as a replacement or upgrade.