This nuts be used in Power Grid Tower & any other Out-Door place
My factory have patent for this nut ( steel boll in the NUT to be the braker )
When Anti-Theft nut install with the bolt & fast, It can not be take off any more.
• International Fastener Show, Sept 21-23, 2021, Las Vegas, USA
• Manufacturing World Osaka, Oct 6-8, 2021, Osaka, Japan
• Fastener Fair Mexico, Oct 13-14, 2021, Centro Citibanamex, Mexico