Specification Brand : KUAOXK BulletPoint1 : 1. Made of bearing steel with low friction coefficient, there is no resistance when placing the bearing on the guide rail. BulletPoint2 : 2. Durable and smooth, it is very suitable for most 3D printers. It is very suitable for slider movement and translation. BulletPoint3 : 3. Smooth operation, low noise and no pollution, linear guides and rails provide smooth and precise guide surfaces on which the rolling elements of linear bearings can slide. BulletPoint4 : High Efficiency: Designed to have 1000N maximum thrust, high speed as well as 20mm stroke to ensures high efficiency and good stability. BulletPoint5 : Great Materials: Consisting of premium aluminium alloy material, also has a sturdy structure and very for long term use. Color : One Color ExternallyAssignedProductIdentifier : 7635667717966 ExternallyAssignedProductIdentifier1 : 0784115295956 ExternallyAssignedProductIdentifier2 : 784115295956 ExternallyAssignedProductIdentifier3 : 4034106329181 ExternallyAssignedProductIdentifier4 : 00804766001703 IncludedComponents : Electric Linear Actuator ItemName : Linear Rail, Linear Sliding Gide MGN15 100mm-800mm Black Miniature Linear Rail Slide 1pc MGN15 Linear Guide+1pc MGN15C Block(450mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : KUAOXK Material : Metal ModelName : OSSIL ModelNumber : KUAOXK NumberOfItems : 1 PartNumber : KUAOXK PowerSourceType : hand-powered ProductDescription : 1. Helps to build economical linear guide systems, designed to achieve high-precision linear motion, low friction coefficient. 2. Steel support rails with pre-drilled holes for easy installation. Stainless steel linear optical axis guide bearing linear motion. High precision and easy to set up. 3. Widely used: lathes, wire cutting machines, precision measuring instruments, woodworking machinery, handling machines and transportation equipment.