Mudder 100 Pieces Pin Backs Locking for Pin Keepers Locking Clasp with Wrench, 6 x 5 mm

Perfect to use for my kids pins so they don’t fall off his backpack. Great value for amount in package. So far none have fallen off.

I needed a way to safely secure my collector pins to my backpack. The original backings weren't hacking it. Most of the pins eventually fell off in the beginning which lead me on a search for a locking device to secure the pins to my backpack.I came across these little gems and they work fantastic! Easy to install with the little allen wrench. All the pins are safe and securely attached without fear of them falling off.I would highly recommend them.

These work exactly as advertised and have a nice and strong hold. I plan to add a pin to a strap on my motorcycle, so we'll see if it holds. Based on what I've seen so far, I think it would.

They work well, they are just super hard for me to use because the screws are so tiny and not pre-threaded into the lock. I have very large fingers, so I know it’s a “me” problem. They do hold nice once I could get them on.

I use these to secure ride pins to my leather motorcycle vest. The pins stay put: no more backings popping off at random intervals. I definitely recommend them.

These locking backs work great. I haven't lost a single pin. My biggest complaint is that the teeny tiny parts are difficult to maneuver with big/clumsy hands. I got it to work, but it was hard and it took awhile. Also, if you tighten the locks hard enough to really hold the pin firm, it bends the needle on the pin. So some of my pins spin around bc I didn't want to risk breaking the needle off.But overall I like these, I'd recommend them, and il buy them again.

These work perfectly to attach pins to my vest

The media could not be loaded.  I'm gonna start off by saying that I never write reviews as I find them tedious to write and just something I can't be bothered with BUT I am an avid review reader!! If I'm buying something off Amazon I count on people who write reviews to help a sistah out lol...... So it's high time I start to write some and help others in return.I adore pins!! I always have, and approaching 40 in a few short weeks here I don't see that changing anytime soon so I needed to find a way to stop losing them and them literally snapping off from the actual "pin" part which to me is tragic because some of the pins I have/had aren't easy to find at all. I went in the hunt for the best way to keep them on my backpack and I first found the ones that you pull on the little stropper and pop it on and it's supposed to lock on there until you pull the stopper to take it off, well they didn't work!! I was losing pins off my backpack left and right!!Then I got the normal ones that kind of have like butterfly wings and you squeeze them to take it off and on... Wellllll those were extremely short lived and literally wouldn't stay on at all!! I was looking at pin purses and backpacks and giving up because I didn't want to lose anymore and I have some really special ones headed to me right now that I can't ever lose!! So I researched yet again and found these. Not gonna lie I didn't have high hopes but WOW they are EXACTLY what I needed and what I was looking for all along!! NOT 1 PIN FELL OFF MY BAG ALL DAY TODAY!! I was putting at least 5 or 6 back on every day and I was seriously about to just take them off but man am I glad I found these!! They literally lock them into place. You get what looks like a little allen key and a tiny little black screw and then the pin back and all you have to do is pop the screw onto the end of that allen key and put the line back on and then put the screw in the side of the pin back and tighten it down and you're good to go. They aren't moving!! Who ever came up with this idea is a freaking GENIUS!! Thanks so much for saving my pins and keeping my creative, wity, fun and punny side of me front and center on my bag. If you aren't looking for a way to keep your pins on something don't waste money on anything else like I did and just buy these. You can thank me later lol.Also I just put some in a little plastic container that I had and I'm keeping them in my backpack just incase I buy a new pin and I'm out.... That way it'll be safe and sound.

Perfect thing that I was looking for and works awesome thank you

Mis pines nunca se sintieron mas seguros. Ojala hubiera sabido de estos seguros antes :(

Die geilste Erfindung, seit es Schrauben gibt! Hält bombastisch, endlich keine Pins mehr verlieren.Dass das kleine Gewinde eine Spielerei sein kann ist klar, aber genau das will man ja --> kleine Teile die halten. Zum Größenvergleich im Foto auch der alte Dreck in Gold.Da ich so ein Teil wohl nie verlieren werde, werde ich die 100 kaum verbrauchen, aber falls doch, kaufe ich sie wieder!

très satisfais , enfin fini de perdre des pins , je mais une goutte de fein filé en plus , recommande vraiment ce produit AA++

Amazing! Keeps my pins safe. Quick and easy to tighten to secure, quick and easy to loosen if you want to rearrange your pins.