I was skeptical at first, but this sliding door lock turned out to be a game-changer for my apartment. Installation took less than 10 minutes—no drilling, just screw tightening. The aluminum alloy feels sturdy, not flimsy like some cheap locks I’ve tried before.

What I love most? The flexibility. You can lock the door fully or leave it slightly ajar for ventilation (great for stuffy summer days). My niece loves slamming doors, but this keeps our patio door safely propped open. No more panic about tiny fingers getting crushed!

Pro tip: Pay attention to screw lengths! I used longer screws on the outer frame (away from the glass) and shorter ones near the edges. The locking mechanism clicks satisfyingly into place—it’s intuitive enough that even my tech-challenged dad figured it out instantly.

One minor gripe? The lock occasionally slides down if jostled hard (like during my overenthusiastic dog’s zoomies). But for the price and ease of use, it’s a worthy trade-off. Already ordered two more for my bedroom windows.