| High Precision Linear Motion System Chrome Plated (30 inch long) 20 mm Diameter Shaft With slide unit with 2 pre-installed Bearings |
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| 30 inch Long 20mm Diameter Chrome Plated Shaft With an Aluminium slide unit (has 2 LME20UU bearings pre-installed), size of the slide unit 3.75" x 2" x 1.5" approximately |
