... price&good quality&good service 3.ISO9001:2000 4.High precision,high loading Product DescriptionLinear guide is consisted of rail, ... guide(Model: GGB) and roller guide(Model: GZB), and accuracy with 2, 3, 4, 5 grades. Grade 5 is the ... assembled for the shipping. Characteristic: Heavy load, low noise, high speed, high accuracy; Normally used for machining center, grinding machinery, heavy machinery ...