Genji Sports Portable Indoor Badminton posts Upgrade kit Genji Badminton Portable Indoor Post and Net 3rd Generation updrade Upgrade kit includes 2 aluminum braces for Nylon plastic tension bars hook devices The aluminum brace will reenforced 10 times stronger on hook devices Easy to install and remove, custom made dimensions fit prefectly on hook device Aluminum brace will fix or replace the broken hook device.