The Master Lock No. 8170D U-Lock features a 6-1/8 in wide hardened steel body for maximum strength and reliability. The 1/2 in Dia double locking shackle is 8 in long and made of hardened steel, offering extra resistance to prying, cutting and sawing. The disc key cylinder prevents picking. The limited lifetime warranty provides peace of mind from a brand you can trust.
| Body Width | : | 6-1/8 in |
| Color | : | Black |
| Includes | : | Bicycle Bracket |
| Key Type | : | Keyed Different |
| Shackle Clearance | : | 8 in Vertical, 4 in Horizontal |
| Shackle Diameter | : | 1/2 in |
| Lock Type | : | Double |
| Body Material | : | Steel |
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