A very ornate and decorative pair of unsprung solid door knobs, reproduced from a Georgian original. Perfectly suited to restore period properties or town houses to create a genuinely traditional feel. Suitable for Mortice only. Not for use with Rim locks. Please note this product is also available in other finishes. They have 8mm x 140mm spindle to take adjustment for various door thickness. For best results the centre of the knob should be a minimum of 3'' from the edge of the door. Heavy Duty latches 4'' or 5'' are recommended for maximum efficiency. Supplied with necessary fixing screws. Suitable for use internally or externally. Maintenance instructions must be followed to preserve the finish of your product. Finished in Polished Chrome - for more information see the finishes guide here.