Specification Brand : Joomen BulletPoint : Sold on Amazon BulletPoint1 : Steel 45# Material and Hardened Case BulletPoint2 : Pre-drilled holes on the Support Rail Mounts BulletPoint3 : Designed and Produced by Joomen LLC BulletPoint4 : High Accuracy and Strong Durability BulletPoint5 : Accept Customized Length and Assembly ExternallyAssignedProductIdentifier1 : 0717630745743 ExternallyAssignedProductIdentifier2 : 717630745743 ItemName : Joomen CNC SBR16 Support Rail RM1605 ballscrew 300mm Linear Motion Kit ItemPackageQuantity : 1 ItemTypeKeyword : slide-rails Manufacturer : Joomen Material : Alloy Steel MeasurementSystem : Metric ModelNumber : SHS35C2QZZZS+1560L NumberOfItems : 11 PartNumber : SBR16-RM1605-300 ProductDescription : 2x SBR16 Linear Slide Guide Rails with Supported Mounts 1x Anti backlash RM1605 pre-endmachined ball screw 16mm diameter, 300mm length 4x SBR16UU Linear Slide Open Bearing Blocks 1 set RM1605 ball nut and nut housing bracket 1 set BK12 fixed side and BF12 floated side end support bearing ProductSiteLaunchDate : 2016-01-12T13:45:18.839Z