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The Master Lock 7804EURD is a compact, weather-resistant laminated padlock featuring a hardened steel shackle and thermoplastic cover for superior outdoor durability. Its advanced ball-bearing locking mechanism and 4-pin cylinder provide enhanced pry and pick resistance, making it an ideal choice for securing storage units, lockers, gates, and more. Backed by a 2-year warranty and designed for both indoor and outdoor use, this lock combines rugged reliability with sleek, professional design.






| Asin | B00HUX4ECU |
| Best Sellers Rank | 1,917 in DIY & Tools (See Top 100 in DIY & Tools) 6 in Keyed Padlocks |
| Brand | Master Lock |
| Colour | Black |
| Control Method | Touch |
| Country Of Origin | China |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,707) 4.4 out of 5 stars |
| Finish | Thermoplastic |
| Included Components | 1 Padlock 2 Keys |
| Item Dimensions | 29 x 40 x 78 millimetres |
| Item Type Name | Masterlock Laminated Padlock Weatherproof Padlock - Black, 40 mm |
| Item Weight | 0.19 Kilograms |
| Lock Type | Pin Tumbler |
| Manufacturer | Master Lock |
| Manufacturer Warranty Description | 2 year manufacturer. |
| Material | Laminated Steel |
| Model Name | Master Lock Laminated Padlock |
| Model Number | 7804EURD |
| Number Of Pieces | 1 |
| Part Number | 7804EURD |
| Recommended Uses For Product | fence, gate, lockers, luggage, shed, storage units, tool box |
| Shape | Square |
| Special Features | Anti-Corrosion, Anti-Drill, Cut Resistant, Thermoplastic Cover, Weather Resistant |
| Style | Black Padlock |
| Unit Count | 1.0 count |
User
Keeps the ruffians out of my garden!
Well built and fairly inexpensive. Bought this to keep people from entering my garden. It's definitely put them off and I've not had anyone back since. Build quality is great and it hasn't rusted, even out in the horrible winter weather. I'd highly recommend this for any security conscious person.
User
Solid lock that does what it should
This padlock feels sturdy and reliable. The build quality gives you confidence it won’t just give in at the first sign of pressure, and the key turns smoothly without any jiggling or fuss.It’s not fancy, but it locks up tight and stays that way. I’ve used it on a shed door and haven’t had a single moment of doubt about the security. No frills, just a dependable lock that you can trust.If you need something straightforward and tough for everyday security, this one delivers.
User
Good value for a basic low-security lock
This is rated 5/10 on the ERA scale, meaning a mid-range level of security equivalent to 3/6 on the BS EN 12320 Security Grade. It feels well made and is heavy in the hand. The weatherproofing is thick, although has a slight flaw in its design - the rubber around the shackle is flanged (good) in that it meets the body, however the top of the body itself is covered in a very flexible rubber without a hard surface underneath it (see second photo), meaning that it simply pushes away from the shackle rather than forming a tight seal. Its an odd oversight. The clip-in plug for the keyhole is really well designed in contrast, and clips firmly and securely into place. However unless the lock is being used inverted, this merely means that the lock is better waterproofed at the bottom than the top, which will simply trap any water in the lock and prevent it from draining.The lock mechanism is OK, probably acceptable for this price point. The lock is reasonable protection against casual theft/breaking attempts but is not with its 5/10 ERA security rating means that it has no rating or guarantee against either drilling or sawing, so could likely be cut through in seconds with a portable handheld angle grinder.I'd say for the price this is great value for use in low-risk areas such as indoor lockers or cabinets in rooms secured against external entry. I would not rely on it in any more critical environments.
User
Use master lock for outside in the garden, sheds and gates and bought this one for lockup at work.
Been using master lock for years and have several of these locks for us outside, as they last a long time. Got this one to use on my cage at work, so it’s not disturbed. Fitted but was a little tight, as the opening isn’t as wide on this particular padlock, due to the thermoplastic cover. Works a treat though and good quality and lock works well. Only thing with these ones, is the bottom area which is supposed to cover where the key goes, doesn’t last for long and ends up falling off. This has happened to all the padlocks same as this one, so that’s the only niggle i have. Otherwise will carry on using their locks.
User
nothing to note
a good lock for most things that you want to secure one of mine is outdoors and as the key hole has a weather cover ,it stops rain getting in there
User
Good sturdy lock
Good sturdy lock, laminated to protect against the weather, and hasp just the right length to make it difficult to saw through
User
Disappointed for Outdoor Use — Rust Issues After 1.5 Years
I specifically ordered this padlock for outdoor use, thinking it would withstand the elements, and I really wanted to use it outside. Unfortunately, after about a year and a half, I’m already seeing rust forming at the keyhole. It’s still technically usable, but now it’s getting much harder to operate with the key, which is frustrating.The plastic coating on the lock is not fully waterproof — water seems to get in somewhere, which is likely what’s causing the rust. I really hoped it would hold up better, especially for outdoor conditions, but it looks like it won’t last much longer if the rust keeps spreading.If you need a padlock for outdoor use, I’d be cautious — this one isn’t as weatherproof as advertised.
User
Master Lock 7804EURD: Decent Basic Security
Pros:* Weatherproof: Thermoplastic cover offers good protection against rain, dirt, and grime, making it suitable for outdoor use.* Solid Build: Laminated steel body feels reasonably sturdy for its price point.* Decent Security: Features a 4-pin cylinder which offers some resistance to picking.* Good Value: Generally considered an affordable option for basic security needs.* Two Keys Included: Provides a spare, which is always useful.Cons:* Not High Security: More determined thieves with specialized tools could likely bypass it.* Potential for Rust (Long Term): While the cover helps, some users have reported rust issues over extended periods, particularly if the cover is damaged.* Keyway Cover Can Be Fiddly: The snap-on keyway cover, while protective, can sometimes be difficult to remove, especially with gloves or limited dexterity.* May Stiffen Over Time: Some users have experienced the locking mechanism becoming stiff with prolonged use, especially outdoors.Overall:The Master Lock 7804EURD is a decent, budget-friendly padlock suitable for general, low-to-medium security applications like securing sheds, gates, or storage boxes. The weatherproof cover is a definite plus. However, it's not designed for high-value items and may have some longevity issues in harsh outdoor conditions. Consider your security needs carefully before purchasing.Review 01/01/2026The Master Lock 7804EURD is marketed as a "Weather Tough" solution, but real-world performance in wet climates is disappointing. While the thermoplastic cover looks protective, it often serves as a trap for moisture, leading to significant internal rusting after just one winter. The laminated steel core is highly susceptible to corrosion once moisture bypasses the outer shell. Only use this for indoor low-security needs or very temporary outdoor use in dry regions.
User
Preis Leistung in Ordnung
Das Schloss macht was es soll. Für mich in Ordnung
User
Lock
Great product. Good price. Very happy 😊
User
Robusto y protegido
Muy bien protegido y robusto. Sin duda volvería a comprarlo.
User
Fast shipping and great product
Great product, fast shipping and everything was as expected and advertised
User
Très bon cadenas
Cadenas parfait, dimensions idem, semble très solide, juste le capot d'étanchéité qui est un peu dur à ouvrir mais c'est une preuve de bonne étanchéité.A refaire je reprendrai le même.
Trustpilot
2 days ago
1 month ago