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The Master Lock 647D is a compact, durable combination lock featuring a corrosion-resistant steel and zinc alloy body. Its 3-digit customizable combination offers keyless convenience, ideal for securing luggage, backpacks, and travel essentials. With a sleek design available in brass or satin nickel finishes and backed by a Limited Lifetime Warranty, it’s the trusted choice for millennial professionals who value security and style on the move.























| ASIN | B000BD8MQ0 |
| Additional Features | PIN Lock |
| Best Sellers Rank | #183,435 in Home Improvement ( See Top 100 in Home Improvement ) #280 in Combination Padlocks |
| Brand Name | Master Lock |
| Colour | black |
| Connectivity Protocol | Wi-Fi |
| Control Method | App |
| Country of Publication | USA |
| Customer Reviews | 4.4 out of 5 stars 7,819 Reviews |
| Global Trade Identification Number | 00071649080050 |
| Item Dimensions | 14 x 30 x 73 Millimeters |
| Item Weight | 0.08 Kilograms |
| Lock Type | Combination Lock |
| Manufacturer | Master Lock |
| Manufacturer Part Number | 647D |
| Material Type | satin |
| Model Number | 647D |
| Number of Pieces | 1 |
| Product Finish Type | Nickel,Satin |
| Recommended Uses For Product | security |
| Smart Home Compatibility | Not Smart Home Compatible |
| UPC | 071649080050 |
| Unit Count | 1.0 Count |
N**O
Not good
Very hard to use , I couldn’t change the code even with YouTube videos
N**A
Secure and Easy to Use!
The Master Lock 647D is perfect for travel, offering a sturdy design and easy-to-set combination. Its compact size fits luggage, backpacks, and lockers, while the black finish looks sleek. Reliable and lightweight—great for peace of mind on the go!
R**D
Good product 💯
Good quality, received as advertised!
Y**F
Defect lock
BE CAREFUL!!!!! Don’t buy..... you can’t set your own combinations and you can’t return.... what a scam!!!!!!!⛔️⛔️
A**S
Simple, reliable, and perfect for the gym
I bought this lock for everyday use at the gym and it works exactly as expected. The size is compact but still feels sturdy and secure. The combination is easy to set and remember, and the numbers turn smoothly without getting stuck. I like that I don’t have to carry a key around, which makes it convenient for lockers and travel. Build quality feels solid and durable for the price. Overall, a simple and reliable lock that does the job well. Definitely recommend if you want something small and hassle-free.
Trustpilot
5 days ago
1 month ago