These are high quality MILSPEC stuff, tough enough for military etc. rough use and abuse!
A RECON GrimLoc or two is a real "must have" for any 21st century military operator or outdoor enthusiast,law enforcement etc. A handy 50 mm carabiner type product for attaching any small gear to most platforms incl MOLLE etc, the GrimLoc can be hung from just about any strap or fastened onto a 25 mm webbing strap, PALS webbing or rucksacks. Silent and non-reflective.
The GrimLoc is constructed to let water and sand pass through it, making it jam-free.