Nylon roller/steel with bearing 1-1/2".

Yangming Hardware Machinery Manufacturing Co., Ltd., (YMHM) started back in 1996 as an independent factory located in Cixi, Zhejiang, China. Over the last eleven years, we have grown to be a major professional producer in Fasteners, hardware industry, including window operators, sliding patio door rollers, door closers as well as a wide range of pulleys and winches for poultry and livestock farms.