The basic configuration of the floor spring is the sun shaft and the ground shaft (or the ground). The sun shaft is an accessory that connects the door frame and the door leaf at the upper part, and is composed of a bolt-type shaft fixed to the door leaf and a bushing fixed to the door leaf. The Tian axis can be applied to almost all wooden, steel, aluminum doors and frameless glass doors with glass door clamps. Bike Racks,Ace Hardware Pole Saw,Heavy Duty Shed Door Hinges,Heavy Duty Shed Door Latch CANGZHOU LINGANG YUANFENG IMPORT & EXPORT TRADING CO.,LTD , https://www.clyfhardware.com