Features 1、4 WHEEL DESIGN: The pulley assembly is 4 wheels design, has a reliable structure, which ensures uniform stress and strong stability. 2、EXCELLENT BEARING: Adopts deep groove ball bearing, with stable rolling, high accuracy, and no noise, the bearing capacity is up to 1256kg. 3、STAINLESS STEEL: The pulley assembly is made of excellent stainless steel, rustproof and corrosion resistant, suitable for more scenarios. 4、CNC PROCESSING: Forged with fine CNC technology, this pulley assembly has a glossy finish, greatly improving the smoothness of work. 5、WIDE APPLICATION: Can be used for household activity doors, wardrobe doors, curtains, automation equipment, small industrial trolleys, etc. Specification Item Type: Pulley Assembly Material: Stainless Steel Color: Silver Use: Can be used for home movable doors, wardrobe doors, large iron doors, curtains, automation equipment pulley components, factory pulley. Package List 1 x Pulley Assembly 1 x Screw 3 x Nuts