Product Name: Linear Guide Trademark: Yigong Product Description Linear 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 linear motion.Ball guide: GGB30mm(equal loads in both the up/down and left/right directions)Rail length; Max. 6m/pcProduction according to customer's request, block and rail assembled for the shipping.It is widely used for CNC lathe machine, wood machinery, medical machinery, package machinery etc.