Description： SBR16 LINEAR RAIL: Set includes 2 pieces of linear rail 1000 mm/39.37 long rail shafts and 4 SBR16UU blocks. Sliding blocks to be used cooperatively with rails, Smooth sliding blocks moving freely Durable for Use: Parts are made of carbon steel, The shell is made of metal, durable for use.Surface chrome plating treatment to be anti-rust, high hardness and more durable LINEAR GUIDING SYSTEM: With industrial-grade standard SBR block and a high precision linear bearing inside, the original rail set can be stabilized by rail axle bearing rail and aluminum alloy support .
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