1、Easy Installation: Standard MGN12 linear guide rail. The width is 12mm and the thickness is 8mm. Equipped with pre drilled hole of 3.5mm for installation. The spacing is 25mm. This linear guide rail should use M3 x 8mm bolts and T nuts. 2、Good Steel Material: The linear guide rail is made of very hard bearing steel, which has the strong rigidity, high accuracy, and rust prevention. Adopting a four point contact design, capable of withstanding loads in all directions. 3、Smooth and Quiet: The guide rail is very smooth. The carriage moves smoothly and quietly, without binding, with good workmanship. The slide rail is made of GCR15 bearing steel, with strong rigidity, wear resistance, and high load bearing capacity. 4、Wide in Utility: Widely used in all fields that require linear transmission and positioning, including automation equipment, measuring instruments, electronic semiconductors, packaging and printing, welding and cutting, machine tool equipment, industrial manufacturing, and metallurgy. 5、Premium Design: Accurate steel ball arrangement ensures smooth operation without jamming, with more steel ball rows to reduce friction, making it lightweight, flexible, smooth, and has a longer service life. Item Type: Linear Guide Rail Product Length: Approx. 400mm / 15.75in Basic Dynamic Rated Load: C: 3.72k/N. C0: 5.88k/N. Allowable Static Moment: MR: 38.22N·m. MP: 36.26N·m. My: 36.26N·m. Sliding Trajectory: Linear Guide Rail Slide Block: 2pcs Accuracy Level: H Slide Block Fixing: Locked Type Features: 1. The linear guide rail is small in size and lightweight, making it particularly suitable for small scale equipment use. 2. The slider and slide rail are made of bearing steel, which is anti slip, and durable. 3. Adopting a four point contact design, it can withstand loads in all directions and has strong rigidity and high accuracy. 4. Equipped with a steel ball holder design, it has interchangeability with allowable accuracy. 1 x Linear Guide Rail