Colossal cylinder standing at 10.5/46.75 cm for bigger and better resultsSleek and durable automatic pump with superior suction at the push of a button3 unique exercise modes designed to build your endurance, or use constant suction featureRidged stroker sleeve is removable for independent use and is designed to fit most pump cylindersUltra-thick chamber sleeve for magnified resultsQuick air release buttonClear cylinder with incremental measurementsEasy push-button controlComplete instructions includedUSB rechargeable charging cord includedComplete charge in 90 minutesTotal run time: 12 hoursDimensions:Cylinder: 10.5 x 3 in.Sleeve: 7 x 4 in.Package: 4.25 x 5.5 x 17 in.

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