LeLuv JacVac Penis Pump - Swivel Handle + Protected Gauge - 12" Thick Wall, No Flange Cylinder Pump Accessories_Cylinder Seals Then you can easily slide

Then you can easily slide the Tension/Constriction Ring you wish to use over the Cone and onto the Cylinder

borosilicate glass is one of the safest materials for internal use and extremely resistant to breaking

pumping approximately 1 cubic inch per stroke and developing and holding up to 25" of vacuum (Mercury Hg)

Solid brass vacuum cylinder and head with high quality ergonomic red nylon body

Material Leather Powered by 3x LR44 (included

LeLuv JacVac Penis Pump - Swivel Handle + Protected Gauge - 12" Thick Wall, No Flange Cylinder Pump Accessories_Cylinder Seals Then you can easily slideKey Features: Complete Penis Pump Kit: Includes the JacVac (Swivel Gauge Option) Handle, a silicone hose with a male fitting, and a cylinder with a Quick Disconnect Fitting Cylinder Selection: Choose the correct diameter and length using the Cylinder Size Chart. The cylinder is non tapered and features a smooth, rounded flange at the opening. Colorful Ergonomic Handle: Sturdy, colorful, and ergonomic design pumps approximately 1 cubic inch per stroke