Specification Brand : NUIBBYED BulletPoint1 : 1 x 400mm/15.74" Linear Rail,1x MGN12H Carriage Blocks.Linear Guide Rail adpots blackening treatment on surface to prevent rusting in long-term use. BulletPoint2 : Rail Guide Material: Heavy-duty bearing steel,which is more durability,high stiffness stiffness,high accuracy,smooth running,low noise than others. BulletPoint3 : MGN12H Carriage Block Material: Stainless Steel.Blocks are pre-loaded. BulletPoint4 : Suggested to use M3 T nut and screws if you fix it to 20 series EU Al-profile.There are two rubber stoppers on each side of the linear rail to prevent the sliding block from falling out. BulletPoint5 : The linear guide are small size and light weight,especially suitable for miniaturized equipment,such as routers,3D printers and plasma cutters etc. Color : Pitch 2mm Lead 8mm ExternallyAssignedProductIdentifier : 7394779641834 ExternallyAssignedProductIdentifier1 : 0728062218422 ExternallyAssignedProductIdentifier2 : 728062218422 ItemName : MGN12H 400mm Linear Rail 15.74'' with MGN12H Steel Carriage Block for DIY 3D Printer and Machines ItemPackageDimensions_Height : 40.4114 centimeters ItemPackageDimensions_Length : 3.2004 centimeters ItemPackageDimensions_Width : 4.4958 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : NUIBBYED Material : Stainless Steel ModelName : ELLANA ModelNumber : X15V56RDY44DSH NumberOfItems : 1 NumberOfPieces : 1 PartNumber : ALB12-400 ProductDescription : 1 x 400mm/15.74" Linear Rail,1x MGN12H Carriage Blocks.Linear Guide Rail adpots blackening treatment on surface to prevent rusting in long-term use. ProductSiteLaunchDate : 2023-03-18T05:34:41.558Z Size : 400MM Style : Rail + MGN12H Carriage block SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 23150000