"I will definitely be buying other practice equipment from this company."verified buyer, 08/26/2024
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Description
Dangerfield Infinitus Cutaway Practice Lock - Solid Brass - Perfect for Locksmith and Lock Pick TrainingFree UK delivery over 30 Royal Mail options 30 day easy returns European delivery available Repinnable cutaway trainer A solid brass 6 pin cutaway lock you can reconfigure The Dangerfield Infinitus is a solid brass, 6 pin cutaway practice lock for pickers who want to keep changing the lesson. It lets you see the pin stacks, repin the cylinder, and build difficulty without buying a new lock every time your skill improves. 6 pintrainer Brassbody
Free UK delivery over £30
Royal Mail options
30-day easy returns
European delivery available
Repinnable cutaway trainer
A solid brass 6-pin cutaway lock you can reconfigure
The Dangerfield Infinitus is a solid brass, 6-pin cutaway practice lock for pickers who want to keep changing the lesson. It lets you see the pin stacks, repin the cylinder, and build difficulty without buying a new lock every time your skill improves.
6-pintrainer
Brassbody
Cutawaywindow
Repinconfigurable
"A excellent company with a great practice lock."verified buyer, 07/31/2023
"It arrived promptly and well packaged."verified buyer, 02/15/2023
Why buy this
Buy this when a fixed practice lock is no longer enough
Clear locks teach visibility, but a repinnable cutaway teaches progression. You can alter pinning, practise a known problem, and then make the same lock harder as your tension control improves.
Visible but serious
The cutaway window shows the mechanism while the solid body feels more like a real cylinder.
Change the lesson
Repinning lets you rebuild the lock around standard pins, security pins, or specific problem chambers.
Longer bench life
One configurable trainer can stay useful through many stages of practice.
Practice route
How to use a repinnable lock well
Start with fewer chambers and standard pins, then add pins back in as the open becomes repeatable. When you are ready, introduce security pins one at a time so you know exactly what each change feels like.
- Record each pinning setup before you change it.
- Add difficulty slowly so feedback stays readable.
- Use the cutaway view to diagnose, then cover it and repeat.
Helpful next step: Lokko Lock Pinning Tray.
Product details
What to know before you choose
| Brand | Dangerfield |
| Product type | 6-pin cutaway practice lock |
| Body | Solid brass from product title |
| Training style | Repinnable and configurable |
| Best use | Locksmith and lock picking practice |
Use lock picking and entry tools responsibly, only on locks you own or have permission to work on, and check local laws before buying.
Questions
Quick answers
Why choose cutaway over clear acrylic?
Cutaway locks give visibility while feeling closer to a metal cylinder.
Is repinning difficult?
It takes care and organisation, but it is exactly what makes the lock a long-term trainer.
Can a beginner use it?
Yes. Start with an easy pinning setup and increase difficulty slowly.
What tools help?
A pinning tray, tweezers, and a clear note of your current pinning make practice cleaner.
Choose Infinitus for a practice lock that keeps changing
It is the training lock for buyers who want visibility, metal feedback, and a way to build harder lessons on the same cylinder.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Great quality pillows. Very difficult wrapping.
Color: White, Size: King (Pack of 2)
The Pillows are the real deal. Very fluffy but with good support. I was surprised by the weight of the box they came in, pretty heavy so you know there’s good quality pillows inside.
The one negative is that the pillows are packed in very very tight plastic because they come compressed. But the thing is, it’s really a chore to open them. You have to be careful not to cut through the plastic to the material, but the plastic is put on so incredibly tight that it’s even hard to get your finger underneath.
But I found a way to open them. Near the top, insert A very flat metal ruler as far in as you could get it. Then cut through the plastic that’s above the metal ruler. That prevents a sharp tool from damaging the pillows. As you get through the plastic above the ruler, keep pushing the ruler further down into the package. Believe me, this simplifies what could be a very difficult unpacking. I am very surprised that the company that makes them does not insert the type of opener that you find on boxes you receive in the mail or even packages that you get from the grocery store where you just pull a tab and that opens the package.
These are really good pillows, but you must be very careful about using a sharp object when opening the box and when trying to cut through the plastic. I am a strong man and have the tools needed, a very flat metal ruler, and a box cutter, knife, or razor. Good luck. !!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
★★★★★ 5
Good quality
Color: White, Size: King (Pack of 2), Color: White, Size: King (Pack of 2)
These are so comfortable. I don’t think I even have to break them in. Soft and firm at the same time
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 4
Firm to not firm pillows
Color: White, Size: Queen (Pack of 2)
At first the pillows were nice and firm however over the past several weeks they are no longer as firm
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
★★★★★ 5
Soft & Durable Mattress Protector
Color: 1 Gray, Size: Queen, Color: 1 Gray, Size: Queen
Excellent mattress cover. The fabric feels soft and comfortable while providing great protection for the mattress. It has an elegant design that gives the bed a clean and modern look. It fits well, is easy to put on, and stays in place. Great value for the price. Highly recommend!
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Nice protector cover, quiet and comfy - best for THICK mattresses
Color: 3 Navy Blue, Size: Full
I liked this pad immediately as fabric cover has nice quilting (just slightly puffy), and touch feel and feels substantial enough to hold up over time. I’ve ordered a few different brands of these and they were crappy, insubstantial pads I did not think would hold up to more than a couple washings.
My biggest complaint and it’s due to my own lack of experience buying these in the new world of skillions of mattress thickness choices is that (A) the side panels / elastic pockets are HUGE and will never be secure on anything thinner than a 12” (or thicker!) mattress; and (B) I thought I was buying an ENCASEMENT cover pad which this is not. I’m blaming that on Amazon because I specifically input “encasement” in the search and their F’ing search algorithm does whatever the heck it wants and if you’re not paying nit-picky attention you get stuff you don’t want. (Or you waste time sorting out the ones you didn’t want to see in the first place!)
That said I am seriously considering keeping this (depending on late arrivals of competing covers) as I’m certain this will be comfortable and as quiet as these waterproof covers get. It’s a nice cover.
UPDATE: it’s a couple weeks later and I’m reporting I did keep it and am happy to have done so. It installed more securely than anticipated and is as comfortable as I thought it would be. I’ll try and update again when I have time to resize pics and show how much my cat enjoys it too:)
UPDATE#2: in review I noticed that the 1* reviews were on about nasty liquids leaking through - I haven’t had any large scale events to gauge but I can see how those reviews could be valid. I should report out of EVERY type of these “nice” noiseless “waterproof” pads I’ve got I think every one of them probably could have the same fault. In other words though I use and really like this cover I also purposely use an encasement style mattress protector (you know the put it in a bag w/zipper kind and a pain in the a** to do so kind) to avoid the complaints in the 1* camp. These mattresses are just too costly and spongelike to NOT protect them completely so I appreciate their frustration that things leaked for them. In my choice to keep this I did so because a) it most probably is pretty waterproof & is definitely quiet & comfy; b) it’s pretty easily washable; and c) because most of the encasement protectors are of more “crinkly” material than this (at least the ones I’ve seen so far - maybe the super expensive ones have figured out how to be perfectly waterproof without crinkle) and by using this nice top protector I put a layer on top of the crinklier encasement and everything just ends up much better with no noticeable crinkle. Figured I say this to help detail 1* vs. 5* because right!? how can one thing be so great and when you turn around then be so terrible… just sayin. (& I did not change my 5* rating😎)
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Reviewed in the United States on March 16, 2026
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