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Continue to ChatJOUCOMATIC 44850033100 - 50mm Bore, 100mm Stroke, STBB50A0AB100DM, Series 448 Rodless Band Cylinders Rollers With Active Brake https://www.valves-direct.com/product/joucomatic-44850033100-50mm-bore-100mm-stroke-stbb50a0ab100dm-series-448-rodless-band-cylinders-rollers-with-active-brake/