Features:Made of high quality metal with durable construction.High precision, exquisite craft, smooth surface.Long life, low coefficient of friction, high versatility.Linear motion, with a small frictional resistance.Linear shaft diameter is 12mm/0.47inch, and the effective stroke is 100mm/3.9inch.Specifications:Material: AluminumBoundary dimension: 40mmShaft diameter: 12mm / 0.47inchRated vertical load: 40KGRated horizontal load: 60KGAccuracy: 0.01mmEffective stroke: 100mm / 3.9inchBall screw length: 165mmSliding block: 60 x 80 x 30mm / 2.36 x 3.15 x 1.18inchPitch-row width: 68mm (max)Pitch-row length: 60mmScrew: M6Slide table size: 190 x 40 x 20mm / 7.48 x 1.57 x 0.79inchWeight: Approx. 1432gPackage Included:1 x Ball Screw Slide with a Stepper Motor