Details of counterweight 1) Sizes & unit weight are accurate. The highest workmanship assures the accurate size and unit weight. 2) superior quality. Our customers are always satisfied with our cast iron counterweight. 3) on-time delivery. 4) OEM service available 5) competitive price. 6) It is usedfor elevator. Note If you are interested in our cast iron counter weight,please contact us.The dependable quality and service will give you every satisfaction.We are looking forward to cooperating with you.