Pros
- •Great quality for a reasonable price.
- •Versatile: suitable for multiple doors and areas.
- •Strongly recommended by some users.
Cons
- •The padlock design allows it to come off easily and can be reattached upside down, blocking key access.
- •The product may necessitate removal by cutting if mishandled.
- •Users have reported a consistent design flaw causing assembly issues.
- •There is a risk of incorrect assembly that renders the product unusable.
- •Necessary tools for disassembly might incur additional costs.
- •The locking mechanism tends to fail after a year of use.
- •Quality of the locks has deteriorated over time, leading to frequent replacements.
- •Users are dissatisfied with the company's contribution to environmental issues due to frequent replacements.
Bottom Line
The Master Lock 510D Lock offers good quality at a reasonable price and suits multiple locking purposes. However, it has significant design flaws that can lead to installation mistakes, rendering the lock unusable, and potential issues with the locking mechanism over time. If reliability and ease of installation are priorities, you might want to consider alternative products.
Lowest at any Popular Retailer
$1.99 at AmazonWhere to Buy
Prices last updated: August 6th 2025 3:59 am
Get ShopSavvy
ShopSavvy is totally free and works on all popular phones and browsers
Download ShopSavvy App
Compare prices for anything in real-time, set price alerts, watch for deals by keyword, and much more
Install ShopSavvy Browser Extension
Compare and track prices automatically while you shop online at thousands of websites.
Footer 1
Subscribe for Updates
Get the latest news, and updates on ShopSavvy. You'll be glad you did!