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Continue to ChatJOUCOMATIC 4485003050 - 25mm Bore, 50mm Stroke, STBB25A0AB50DM, Series 448 Rodless Band Cylinders Rollers With Active Brake https://www.valves-direct.com/product/joucomatic-4485003050-25mm-bore-50mm-stroke-stbb25a0ab50dm-series-448-rodless-band-cylinders-rollers-with-active-brake/