High Quality Material: 360 degree rotating shaft made of heavy duty stainless steel and brushed surface, has highest quality with maximum durability rust-proof, moisture-proof, corrosion-resistance, can be used for a long life. Strong Load Bearing: Hidden door pivot hinge loads are high; , offers constant hold for years. Easy Install: Hidden Rotating Door Shaft is easy to install and easy to use, it is widely used in various revolving doors.; Wide Application: Professional manufacturing, stable characteristics, high reliability. 360 degree door pivot hinge system, widely use in bedroom, livingroom, mansion, mall, tall building rotating door or front door and so on. Color: silver Size: Lower part 10*5.9cm Upper part 3.2*10cm Weight is about 505g Delivery Quantity: 1 Piece YAJU Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin