1. Product: Double Cylinder
2. Dimension(mm):
A:	60	62	63	68	70	80	90	100
B:	30	31	31. 5	34	35	40	45	50
C:	30	31	31. 5	34	35	40	45	50
3. Key slot: Plane slot  (computer slot)
4. Lock Core:   Completely copper
5. Key  Material:   copper/iron/plastic handle
6. Surface coating: nickelizing/chromeplate/antique copper/gold dust and so on.
7. Packing: one piece/white carton and one dozen/white carton
8. Quarantee period : 3-5 years
9. OEM and special requirement from customers are acceptable.