Specification Brand : SUOFEILAIMU-PHONE CASE BulletPoint1 : SBR Linear Guides Series BulletPoint2 : Length: 400mm BulletPoint3 : Packing Detail: 1 pcs of SBR12-400mm linear rail + 2 pcs of SBR12UU BulletPoint4 : The slider has a high-rigidity ball retainer to ensure that the slider is easy to assemble and safe to use. BulletPoint5 : All made of stainless steel hardened and heat-treated materials, and the surface hardness of the guide rail reaches HRC59.5, which is sturdy and durable. Color : Qeh25ca ExternallyAssignedProductIdentifier : 9396079894659 ExternallyAssignedProductIdentifier1 : 0697777744109 ExternallyAssignedProductIdentifier2 : 697777744109 ItemName : SUOFEILAIMU 12mm Linear Rail SBR12 L 400mm Support Rails 1 Pcs + 2 Pcs SBR12UU Blocks for CNC 12mm Linear Shaft Support Rails ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 53 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : slide-rails Manufacturer : SUOFEILAIMU-US Material : Metal NumberOfItems : 1 PartNumber : SUOFEILAIMU-123 ProductDescription : Packing Detail: 1 pcs of SBR12-400mm linear rail 2 pcs of SBR12UU ProductSiteLaunchDate : 2021-11-03T02:52:46.805Z UnitCount : 1 Voltage : 1 volts