Optimum Series Maximum Results Pump SetThe Optimum Series Maximum Results Pump Set includes 2 powerful suction pumps, a detachable hose and a single handed Master Grip pump handle to deliver maximum results with every pump session. With every squeeze of the Master Grip single handed pump, you can look forward to powerful girth and length increase. To give you all the space you need to grow, each kit includes a large and a X large pump cylinders with quick air release levers. The soft,