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Continue to ChatNUMATICS G450A6S50320A00 - 63mm Bore, 320mm Stroke, G3/8, Series G450 Dynamic Rod Locking Device https://www.valves-direct.com/product/numatics-g450a6s50320a00-63mm-bore-320mm-stroke-g3-8-series-g450-dynamic-rod-locking-device/