Four digit combination lock for keyless operation.Get instant keyless access by replacing any standard furniture lock. The combination can be reset to any four digit number,providing up to 10000 possible combinations. Two levels of code setting: Combi Public and Combi Personal. Ideal for Corporate Offices, BPOs, Banks, Home Furniture: Wardrobe, Kitchen etc., Lockers: - Club, Gym, Hostel,Factory, etc. Retail Showrooms, Display Units – Watches,Jewellery, Gadgets, etc.For Wood Door Thickness: 16-20mm.