Kirgen Aluminum Shenzhen( Co. Ltd. is Chinese leading aluminum industry accessories manufacturers, the main products of the company are T type nut T bolt, Anchor Pin slot connector, Eladtic Nut Silding Nut.,brT-bole also known as hammer-yype nuts>put it into the slot direcctly from outside of profile when assembingclockwise 90degrees it can be automatically locked,extremely rasy to install and it is also one of the most commonly used accessories for aluminum system.