Master Lock 930DLHPF — 64 mm Solid Steel Body, Boron Alloy Shackle, $41 CAD (15% Off)

Amazon.ca has the Master Lock 930DLHPF for $41.00 CAD, down from $47.99 — 15% off. Prime members ship free; otherwise orders over $35 CAD ship free.

This is the oversized one: a 64 mm solid steel body with a 51 mm shackle in hardened boron alloy, which is the part that resists bolt cutters. Dual ball bearing locking holds both sides of the shackle against prying and hammering, and the 5-pin tumbler cylinder offers more than 9,000 key changes, so your key isn't opening the neighbour's shed.

The cylinder is removable, so it can be repinned or replaced instead of throwing the whole lock away — useful when a tenant moves out or a key goes missing. Keyed different: one lock, one key. Built for sheds, gates, trailers and storage lockers, the places where someone might actually try.

4.7 stars from 756 reviews, most of them from people locking up a shed. It weighs 726 g and you'll feel it in your hand; that weight is the point. Limited lifetime warranty. If you're securing something that matters, skip the twelve-dollar lock.

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