Get stimulation and growth potential The SMP Premium Penis Pump set was made for those looking for a quality pumping gear at a solid value. The set comes complete with Deluxe Hand Pump with Pressure Gauge, your choice of cylinder and a leather cock strap. Also includes an instructional pumping guide to get the most growth out of your equipmentThe heavy duty guage pump incorporates a pressure release valve that can be easily accessed with a finger to provide quick release. Works with all the cylinders and pumping accessories we sell. Premium Penis Pump Set specifications Each cylinder is hand crafted and made of the finest, industrial strength crystal clear acrylics. The cylinders are tapered toward the top to match the natural anatomy of your penis for maximum comfort. Each cylinder contains a state of the art valve which allows for quick and easy disconnection from the pump while maintaining pressure within the cylinder. 80% of men will use the 2" diameter cylinder. Note: Pump handle has been slightly modified from picture above for optimal use. Step-By-Step Instructions