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Master Lock 8320D Keyed U-Lock

Master Lock 8320D Keyed U-Lock

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Outdoor

Keyed U-lock with a hardened steel body, vinyl coating, mounting bracket and two keys, per the listing.

โ˜… Best Pick๐Ÿ’ฐ Lowest price

Check the shackle size against the posts or racks you usually lock to.

Per the listing, the Master Lock 8320D is a U-lock with a hardened steel body, a vinyl coating and a disc keyed cylinder. It lists a 7-1/4 inch width, a mounting bracket and two keys. On Amazon US it was $12.37 on November 3, 2026.

Pros

  • Lowest price of the five
  • Mounting bracket and two keys, per the listing
  • Vinyl coating, per the listing

Cons

  • The listing gives no security rating
  • Keyed only, so lost keys matter

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