This item is a replacement barrel to suit the Union 1K57 concealed shackle padlock which in turn is often used in conjunction with the Union (formerly Chubb) 7B018 and 7B020 padbars. It has a high security 10 disc AVA mechanism and is supplied with 3 keys.
| Brand | Union |
| Stockcode | L1001 |
| Barcode | 5055120646886 |
| Finish | Steel |
| Keys Supplied | 3 |
| Mechanism | 10 Disc |
| Manufacturer Reference | 1K57 |
