Feature: 1.Load weight:45kgs/18"per pair 2.Material:hardened cold rolled steel 3.Finish:Zinc plated 4.Length:10"-24" 45MM Ball Bearing SlideOur Advantages:1. Good quality, service and reasonal price2. unique design3. Fine Craftwork and Professional Manufacture Technology4. Competitive Price5.Punctual Delivery,6. Meet different market’s need: America, Europe, Africa, Oceania, Asia, and so on7. ...