Check the listing for details. FUYU FSK30J Mini Linear Rail Linear Guide Ball Screw Linear Actuator Slide Table. Condition: New. Listed at 85.00 USD. MATERIAL :The Linear guide is made of aluminum alloy and new materials, no steel parts, light weight, and not easy to rust.HIGH PRECISION : Linear Rail position accurancy up to ±0.05mm,linear slide rail with high-precision smooth movement.HIGH QUALITY :Linear motion, with a small frictional resistance.Below 60dB low frequency noise, especially applicable to quiet working environment.M4 screws on sideways and basedboard for easy installnation.HIGH PERFORMANCE :Nema 11/14 stepper motor.the linear guide have multi length stroke options from 50mm to 500mm for cnc router device,Tr8*02 as its defalut screw lead, Tr8*04, Tr8*12 are for customization.APPLICATION :Linear Rail Stage Cross,widely used in production machinery, inspection equipment, optical laboratory precision measurement, fine-tuning displacement, mechanical equipment positioning and movement.Effective Stroke:50-500mmTotal Length:Stroke+101mmScrew Model:Tr8*2Position Accuracy:±0.05mmMax Horizontal Loading:6.6 poundsMax Vertical Loading:2.2 poundsMax Horizontal Full Speed:40 mm/s[max loading]Max Vertical Full Speed:15mm/s[max loading]Noise:＜60 dBTECHNICAL FEATURESEconomical and practical screw module, high cost performance,suitable for medium andlow load, medium speed requirements, stable environment conditions. Linear guide can be combined with single axis or multi axis, and it is convenient to match the workpieces heqtired byvarious industries, so it becomes the most simple and practical manipulator.