Specification Brand : BEVDICNC BulletPoint1 : HGR15 linear guide rail set includes 2Pcs HGR15-300mm(11.8inch) linear guide rail and 4Pcs HGH15CA bearing blocks. BulletPoint2 : Professional and technical rail and block, high rigidity and high load.Smooth running, low noise and non-pollution. BulletPoint3 : Made of bearings steel, surface chrome plating treatment beautiful anti-rust, more durable, designed to achieve high precision linear motion, low friction coefficient. BulletPoint4 : Easy to install, aluminum alloy support rail with pre-drilled holes for ease of mounting. Stainless steel Linear optical axis guide bearings linear movement. Easy to install, no need to maintenance. BulletPoint5 : The CNC linear rail is widely used in automatic equipment, precision measuring equipment, and many other machines that need precision linear movement. Color : As Shown ItemName : BEVDICNC 2Pcs Linear Rail HGR15-300mm + 4Pcs HGH15CA Square Type Carriage Bearing Block, Linear Slide Rail Guide Rail Length 11.8inch for DIY CNC Routers Lathes Mills ItemPackageDimensions_Height : 7.5 centimeters ItemPackageDimensions_Length : 31.5 centimeters ItemPackageDimensions_Width : 7.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : BEVDICNC Material : Carbon Steel ModelNumber : 57WZ19MP26L15UBCX9CB7C9F NumberOfItems : 1 PartNumber : 57WZ19MP26L15UBCX9CB7C9F ProductDescription : Product DescriptionApplication: Grinding machine, milling machines, lathes, drilling machine, and comprehensive processing machines, discharge manufacturing machine, boring machine, line cutting machine, precise measurement instrument,woodworking machinery,handling machine,and the shipping device. ------------------------------------------------- Feartures: Brand New Smooth Movement Low noise Steel material and hardened Case High accuracy and strong durability Pre-drilled holes on the support rail mounts It can move smoothly without deflection minimal wear and low noise, because the high accuracy and strong durability ------------------------------------------------- High-quality Carbon Steel Material Rail width: 15mm Rail length: 300mm ------------------------------------------------- Package: 2X HGR15-300mm Linear Guideway 4X HGH15CA Square Type Carriage Bearing Block