Description： 800 mm Linear Rail Slider Set: This linear rail set is of 2Pcs SBR20 800 mm/31.5 inch linear rail and 4Pcs SBR20UU Blocks, 1 piece locking handle can adjust the tightness of the SBR20UU slider, 16 pieces M6 x 20 screws for connecting the sliding bearing blocks and plates as accessories, 1 piece wrench .
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