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Stiff & strong! There is definitely a reason why they've called this machine "Stiff & Strong", as that is exactly what it does to the penis. The pump is easy to use, creating a vacuum via a pistol-grip pump to adjust the pressure according to need. Complete length of cylinder 22 cm (with measuring scale). Insertion depth 21 cm, inner Ø 5.7 cm, outer Ø 6 cm. Ø of sleeve opening 2.3 cm (flexible). Material: ABS, silicone, metal.

Weight	0.394
Length	335
Width	135
Height	90
Country of origin	CN
Diameter	5,7
Total length	22