2pcs SBR16-1000mm Linear Slide Rail Shaft 4pcs SBR16UU Baring Slide Block $ 391.50 Chrome plating linear shaft, high hardness, lasting to use. 22. Standardized processing aluminum alloy sliding block, with strong interchangeability. 33. Built-in high precision linear bearings allows the slide block to move smoothly with little resistance. 44. Oxidation surface treatment makes the sliding block beautiful, rustproof and more durable. 55. The linear slide rail has pre-drilled holes for easy mounting.
