American Lock Fortress Series 1840D Padlock, Keyed Different Key, 1/4 in Dia Shackle, Steel Shackle, Solid Brass Body. Security for basic applications. Brass tumbler locking mechanism. Hardened steel shackle. Two keys included. 1-9/16 in wide case, 1/4 in Dia shackle and 13/16 in horizontal shackle clearance.
| Shackle Diameter | : | 1/4 in |
| Shackle Material | : | Steel |
| Number of Pins | : | 4 |
| Key Type | : | Keyed Different |
| Body Material | : | Solid Brass |
| Body Width | : | 1-9/16 in |
| Locking Mechanism | : | Cylinder |
| Shackle Clearance | : | 7/8 in Vertical, 13/16 in Horizontal |