Locker dossier cabinet letterbox mechanical mixture lock dial turn tongue drawer small mixture lock.The initial free up password: 3 Wheel Dial Set To 0-0-0, It would be reset as you like.Ideal for Letter box, drawer cabinet, metal cabinet, office cabinet, school lockers or any where keys aren't suitable!Note: This Item now not appropriate for double door cabinets.Please enable 1-5mm difference because of handbook measurement.Specification:Model: mailbox combination lockLock physique material: zinc alloySurface treatment: traditional chrome plating, electrophoretic black, matt plating, titanium plating, etc.Lock physique diameter: M19mm;Thread length: 20mm;Suitable for 1-15mm plate thickness.The manufacturing unit password is: 000The package includes:1Pcs drawer combination lock