Specification Brand : SALUTUYA BulletPoint1 : WIDE APPLICATION: The linear rail ball screw kit is widely used in CNC Router CNC Grinding machine, 3D printer, the industrial machinery printing, paper-processing, automatic machine, X-Y table, factory automation equipment, etc. BulletPoint2 : HIGH PRECISION: Industrial-Grade standard linear rails with high precision. Ballscrew use the ball movement with small starting torsion, it does not appear a sliding motion creeping phenomenon which can ensure accurate positioning. BulletPoint3 : EASY TO USE: Aluminum alloy support rail with pre-drilled holes for ease of mounting. Stainless steel Linear optical axis guide bearings linear movement.The ballscrew movement without stick-slip effect, less heats up, less drive power required. BulletPoint4 : DIFFERENT SIZE OPTIONS TO CHOOSE: Many size for you to choose, linear rails and ball screws with different lengths combine to the affordable kit. It helps you save your time and money. BulletPoint5 : COMPLETE LINEAR MOTION KIT: This kit includes supported linear rails SBR20-400/800/800 mm rails, 3pcs of ballscrews RM1605-450/850/850 mm, 3 sets of BK/BF12, 3pcs DSG16H nut housings and 3pcs of couplings 6.35 mm*10 mm. ExternallyAssignedProductIdentifier : 9588128969764 ExternallyAssignedProductIdentifier1 : 0190459882552 ExternallyAssignedProductIdentifier2 : 190459882552 ItemName : Linear Sliding Guideway, 1pc LML7B Portable High Precision Miniature Linear Sliding Rail Guide Block for 3D Printer and CNC Machine (100mm) ItemPackageDimensions_Height : 13.3 centimeters ItemPackageDimensions_Length : 0.7 centimeters ItemPackageDimensions_Width : 3.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : SALUTUYA Material : Steel ModelNumber : 1102EU17DED9HJW8 NumberOfItems : 1 PartNumber : SALUTUYAspfd13mak0 ProductDescription : Specification: Features: Simple and easy to use. Beautifully design. High accurate and Professional and technical rail and block, strong and . Small size, light weight, suitable for most automatic equipment. Slider could easily and lightly move. Specification: Material: Steel Type: Slide rail Slide track: Linear rail Accuracy : H Slide block fixed : Lock Length: Approx. 100mm / 3.9inch Weight: 35g Package List: 1 x Linear Rail 1 x Slide Block