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 : Because there are many product models, if you cannot find the product you want in our store, please contact us and we will provide you with our service and price. Color : One Color ExternallyAssignedProductIdentifier : 8505433702016 ExternallyAssignedProductIdentifier1 : 0764717711122 ExternallyAssignedProductIdentifier2 : 764717711122 ItemName : Linear Rail, Linear Sliding Gide HGR15 Square Linear Guide Rail 4pcs HGW15CC Steel Flang Slide Block for CNC Router(350mm) ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : KUAOXK Material : Metal ModelNumber : KUAOXK NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : KUAOXK 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.