The Pro III has been upgraded to the all-new Pro4, marking a decade of excellence in the market. The machine features an auto-sensing modular power supply, designed for easy component replacement. It also features a modular design for easy component replacement, making it easy to replace major parts. The machine has been freshened up to make it instantly recognisable in a sea of cheap copies. The machine has solid steel weighted legs for stability, revised quick release leg clamps, a high-speed motor (up to 280 RPM), a quick-connect toy adapter with a vac-u-lock style barb, and a reduced reciprocating mass for smoother operation.

A customized nylon bag with foam lining protects the machine discreetly on the move. The Pro4 is extremely powerful and versatile, featuring an adjustable thrust rod length, thrust depth of 1-6 inches, and adjustable front and rear legs to suit various positions. The sex machine is designed to be reliable and efficient, making it a must-have for any sex enthusiast. Supplied with black 8 inch toy in hypoallergenic silicone as standard

F-machine, a leading manufacturer of mechanical f machines, has been in business for over a decade. Their Pro4 is a top-of-the-line machine, built from CNC machined 6061 alloy precision components and an industrial spec speed controller/motor. Its sleek design and powerful performance make it a popular choice for both owners and slaves. The machine features solid steel weighted legs for increased stability, revised quick release leg clamps, a new high-speed motor, a modular design for easy parts replacement, a quick-connect toy adaptor, reduced reciprocating mass for smoother operation, and bespoke logo embossed end caps.

The machine also comes in a high-quality nylon bag with a foam lining for discreet protection. The Pro4 is highly versatile, with adjustable thrust rod length, thrust depth, and front and rear legs to suit various positions.