Condition: 100% Brand New_x000D_ Item Type: Linear Guide Rail_x000D_ Material: Cast Iron_x000D_ Slide Block Color: Black_x000D_ Load Direction: Radial Thrust_x000D_ Bearing Mechanism: Hydrostatic Bearing_x000D_ Lubricant: Oil Lubrication_x000D_ Oil Lubrication Method: Drip Lubrication_x000D_ Lubrication Status: Boundary Lubrication_x000D_ Properties: High Speed_x000D_ Weight: Approx. 1805g / 63.7oz_x000D_ Size:_x000D_ Linear Guide Rail: Approx. 30x1.5x1.5cm / 11.8x0.6x0.6in _x000D_ Slide Block: Approx. 6x3.5x2.5cm / 2.4x1.4x1.0in 1It supports the exchange of sliders, with high accuracy, small error and smooth movement of sliders. 2Both ends are equipped with thickened dust-proof pads, which can effectively prevent dust from entering and have a longer service life. 3It is made of high hardness cast iron, which is wear-resistant and has good durability and stability. 4It can be used in automation equipment, precision measuring equipment and many other machines that need precise linear motion. 5Professional linear guide sliders, precision casting, thick materials, exquisite workmanship, easy to operate.2 Linear Guide Rail with 4 Slide Block1 x Bag of Installation Accessories1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding._x000D_ 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.