Aluminium body equipped with high-speed, low-friction ball bearings to guarantee a quick response and high rotation fluidity.
They also have a metal dust cover to prevent dirt from entering. This item does not require special maintenance interventions and carries out perfect cleaning of freshly sanded boards before the subsequent finishing operations.
The rotary vanes are made from brass and the nozzle that enables the air flow to escape has a 1.25 mm hole, while the end part of the vane has a standard 120° inclination.