These zip ties are very strong, wider than most. I’ve used for moving - fastening metal shelves and posts into bundles so they wouldn’t slide and rattle around. Used them for fastening items to tie down rings in vehicles and trailers to secure the load. Proved their strength and worth when I encountered deer on a highway. Panic stop from 70mph in a sport wagon overloaded with heavy wire shelving units. Could have been a painful experience for me and damage to vehicles interior but the zip ties held the shelving to the cargo tie-downs and everything remained in place.
Also used on oversized contractor strength garbage bags stuffed to capacity with heavy refuse. Twisted the tops of the bags closed, zip tied them, and was good to toss around, even upside down into the truck to hall away. Narrower weaker ties broke, tore through the bag, or unzipped. These held.
For those who complained about being brittle, breaking or coming unzipped, I think you got a bad batch. I used them to their capacity and not one failed.
For the person who gave one star because half the ties were white... yes it shows only black in the pic but if you read the description it clearly says you get black and white.
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