... :2000 4.High precision,high loading Product DescriptionLinear guide is consisted of rail, block, rolling elements, retainer, recirculator, seal etc. By using the ... rolling elements, such as balls or rollers between the rail and block, the linear guide can achieve high precision ... :A6267,NO.Foutteenth tariff-free zone,Qingdao develpment zone,China. High Quality Linear Guide