Train your penis effectively with this penis pump featuring a handy scissor handle and a pressure gauge for an extra strong potency vacuum. It includes a pressure valve for vacuum control and a delightfully tight cuff. Regular use can help make the penis permanently stronger and longer. The total length is 21.6 cm, with an insertion depth of 19.5 cm and a width of 6.5 cm. Made from ABS, acrylic, and silicone, this penis pump also includes a safety release system.