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🔐 Never lose your keys again—secure, share, and simplify with Master Lock’s retractable tether!
The Master Lock 5490EURD Retractable Tether is a 91 cm long twisted steel cable designed to securely tether keys inside Master Lock key safes. Featuring easy peel-and-stick installation, durable alloy steel construction, and a limited lifetime warranty, it’s ideal for professionals needing safe, convenient key sharing and management.




















| ASIN | B093L7YDTV |
| Best Sellers Rank | 30,638 in DIY & Tools ( See Top 100 in DIY & Tools ) 66 in Key Cabinets (DIY & Tools) |
| Brand | Master Lock |
| Colour | Black |
| Control Method | Touch |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 330 Reviews |
| Finish | Painted |
| Global Trade Identification Number | 03520190945112 |
| Included Components | 1 Cable Tether |
| Item Dimensions | 31 x 14 x 31 millimetres |
| Item Type Name | Master Lock 5490EURD Retractable Key Tether for Key Safe, Up to 91 cm long |
| Item Weight | 0.03 Kilograms |
| Item dimensions L x W x H | 31 x 14 x 31 millimetres |
| Lock Type | lock Key |
| Lock type | lock Key |
| Manufacturer | Master Lock |
| Manufacturer Warranty Description | Limited lifetime warranty. |
| Material | Alloy Steel , Plastic |
| Model Name | 5490EURD |
| Model Number | 5490D |
| Number of Pieces | 2 |
| Part Number | 5490EURD |
| Recommended Uses For Product | Sharing and securing keys for personal aids, real estate agents, babysitters, workers, and cleaning staff |
| Recommended uses for product | Sharing and securing keys for personal aids, real estate agents, babysitters, workers, and cleaning staff Recommended uses for product Sharing and securing keys for personal aids, real estate agents, babysitters, workers, and cleaning staff See more |
| Shape | Square |
| Special Features | Portable |
| Special feature | Portable |
| Style | Retractable Tether Accessory |
| Unit Count | 1.0 count |
C**M
A really useful item!
Sticks well inside the key box and stops the key being removed!
D**D
Works well easy fit
Good idea and works well
A**J
Stopped the key being taken
Our last one of these snapped after two years of general use and the exposed edges of the cable became sharp requiring some tapping up before it did break entirely. Ironically, master lock do not suggest using these in their key boxes yet obviously there are cases where they are required. Be prepared they do take up a little room so placing the key back in can be a bit tricky.
P**L
Good bit of kit
Good bit of kit. Well used as a key tether and seems to be holding up well. Time will tell.
D**S
Brilliant
Great item difficult to obtain good pricw
C**L
Works great
Does what it's intended to do and works great.
L**G
Great value and super-useful.
Great value and super useful. In our busy Cornish holiday home, I have a paranoid fear of a guest losing the key and (because it is an ultimate high-security key) having to change the locks before the next visitor arrives...I only have two spares and the blanks are no longer available. All my problems have been solved with this easy-to-fit device. securely and easily fitted in our electronic key safe, they could only be removed with wire cutters or a tiny hex key. I sleep better now. HIGHLY RECOMMENDED.
N**N
Too short
Solid item but had to return due to it being too short for where we wanted it to be
Trustpilot
1 month ago
1 week ago