... 4) single cylinder lock 1. Material : Solid Brass2. Hoodle : 5 or 6 hoodle3. Key : Brass key or Iron key4. Dimensions / size : 40 ... shape : peanut knob , oval knob , sector knob ...6. Surface Treatment : brass polished, NP, SN, NB, CP, AB, AC7. Package : 1PCS/ white ... groove9. Type : Single cylinder , half cylinder , double cylinder , bathroom cylinder Brass Cylinder