<h3>Key features</h3><ul> <li>Our package includes 4pcs SBR25UU aluminum open slide block, diameter: 25mm.</li> <li>SBR25UU sliding blocks to be used cooperatively with SBR25 linear rails, high precision and easy to mount dismount.</li> <li>Industrial-grade standard SBR block, with high precision linear bearing inside, it moves smoothly with low friction.</li> <li>Linear Bearings block made of quality aluminum alloy. Surface chrome plating treatment beautiful anti-rust, high hardness, more durable.</li> <li>Widely used in the automation machinery such as DIY CNC routers,lathes, machine tool, bending machines, laser welding machines, etc.</li> </ul><p>CNCMANS has been committed to providing superior 3D printers and accessories services.Industrial-grade standard SBR block, with a high precision linear bearing inside. Make the sliding smooth, low friction, silent operation.Specifications:Brand: CNCMANSModel: SBR25UUShaft Diameter: 25mmPack Includes: 1x SBR25UU Bearing BlocksFeatures:aluminum alloy material and hardened caseHigh accuracy and strong durabilitySmooth moving,low friction, high rigidity and long working lifeSuits X, Y, Z axis, perfect items for your CNC project</p><p>Free shipping included. 30-day hassle-free returns.</p>