Features Premium Aluminum Materials: The ball screw linear slide stroke is made of high quality aluminum material, wear-resistant, sturdy and durable. Low Noise: The linear guide rail is made of bearing steel with low friction coefficient. Ballscrew performs well when working on the track without resistance in the bearing, has low noise, and performs well in slider movement and panning. Scope of Applications: The ball screw linear stage has a wide range of applications and is widely used in automation equipment, precision measuring equipment and many other machines that require precision linear motion. High Toughness: The ball screw linear stage has high strength and high toughness and can withstand high-speed linear motion. Ideal Choice: The diameter of the linear axis is 12mm or 0.47inch, and the effective stroke is 100mm or 3.9inch. High precision, exquisite workmanship, long life, low friction coefficient and high versatility. Specifications: Material: Aluminum Boundary dimension: 40mm Shaft diameter: 12mm or 0.47inch Rated vertical load: 40KG Rated horizontal load: 60KG Accuracy: 0.01mm Effective stroke: 100mm or 3.9inch Ball screw length: 165mm Sliding block: 60 x 80 x 30mm or 2.36 x 3.15 x 1.18inch Pitch-row width: 68mm (max) Pitch-row length: 60mm Screw: M6 Slide table size: 190 x 40 x 20mm or 7.48 x 1.57 x 0.79inch Weight: Approx. 1432g Package Included: 1 x Ball Screw Slide with a Stepper Motor Package List Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.