TOPINCN Linear Motion Ball Slide Units 2Pcs Sbr12 400Mm 12Mm Rail Shaft + 4Pcs Sbr12Uu Bearing Block

【Standard slider】: industrial grade standard SBR slider, equipped with high precision linear bearing 【High hardness】: silver-plated surface, rust-proof and beautiful, hardness can be as high as HRC62, more durable 【High-quality carbon steel material】: The linear slide shaft is made of high-quality carbon steel, and the bearing seat is made of aluminum alloy, which is durable and durable. 【Adjustable tightness】: Adjusting handle can adjust the tightness of the slider, standard processing, very suitable for guide rail positioning 【After-sales guarantee】: We are very concerned about the feelings of the guests. If you have any questions, please contact us in time.