Specification Brand : uxcell BulletPoint1 : Linear Motion Shaft Set: Package includes 2 x linear rail, sized 12mm x 500mm, 2 x SCS12UU bearing blocks, and 4 x SHF12 shaft support. High precision with a tolerance of 0.005mm. Hardness up to 60-64 HRC. High straightness, ≤0.5/1000μm. BulletPoint2 : Linear Motion System: Provides accurate positioning and stable movement. Rods offer low friction and high precision movement, while slide blocks with high precision bearings ensure smooth gliding. Shaft guide supports provide sturdy vertical support. BulletPoint3 : Quality Material: Made of quality bearing steel, chrome-plated surface for durability and corrosion resistance. Mirror-polished for a smooth surface. Block bearings and support brackets are made of lightweight aluminum. BulletPoint4 : Wide Application: Suitable for various applications requiring precise linear motion guidance, such as 3D printers, CNC machines, robotics, automation, molding machines, engraving machines, and punching machines. BulletPoint5 : Easy to Install: The set comes pre-drilled for easy installation and requires no maintenance. Color : A/ Locking 5 Wheel / Sgr10 28mm Width ExternallyAssignedProductIdentifier : 7364780189472 ItemName : uxcell Linear Motion Rod Shaft Guide Set 2pcs 12mm x 500mm Linear Motion Guides Bearing Steel Plated Smooth with 2pcs SCS12UU Bearing Block & 4pc Shaft Support for Automated Machines CNC ItemPackageDimensions_Height : 49.8094 centimeters ItemPackageDimensions_Length : 3.81 centimeters ItemPackageDimensions_Width : 3.9878 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : uxcell Material : metal Material1 : Aluminum Material2 : Alloy Steel ModelName : PerGarbumk2tgf5r ModelNumber : PerGarbumk2tgf5r NumberOfItems : 1 PartNumber : a23082000ux0473 ProductDescription : Linear guideway rail made of quality bearing steel, chrome-plated surface for durability and corrosion resistance. Mirror-polished for a smooth surface. Block bearings and support brackets are made of lightweight aluminum. Suitable for various applications requiring precise linear motion guidance, such as 3D printers, CNC machines, robotics, automation, molding machines, engraving machines, and punching machines. Provides accurate positioning and stable movement. Rods offer low friction and high precision movement, while slide blocks with high precision bearings ensure smooth gliding. Shaft guide supports provide sturdy vertical support.