Sold as one unit. (1 unit = 10 each.) 1/2", rigid eye. One-piece cast construction with triple copper/nickel plating and solid brass or Brass-plated sheaves. Designed for indoor or outdoor use with rope or cord. Pulley is highly resistant to rust and corrosion. References National No. 243- 584. Bulk. Manufacturer number: T7655062. SKU #: 5307905. Country of origin: China. Distributed by Campbell Chain/Coopertools.